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Website reskin

WBOY
Release： 2016-10-10 11:40:53
Original
1734 people have browsed it

Website skin resurfacing always felt magical before. Let’s summarize it today. What I wrote is two ideas.

First of all, you need to create a css folder, which stores css files of different colors: blue.css; red.css; yellow.css; green.css. Write the styles to be changed in these files.

The next step is the html file. First of all, the first idea: write only a link tag (not recommended, please continue reading for the reason). The code is as follows: 

<span style="color: #008080;"> 1</span> <span style="color: #008000;"><!--</span><span style="color: #008000;">index.html</span><span style="color: #008000;">--></span>
<span style="color: #008080;"> 2</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span> 
<span style="color: #008080;"> 3</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">meta </span><span style="color: #ff0000;">charset</span><span style="color: #0000ff;">="UTF-8"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 4</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>动态换肤<span style="color: #0000ff;"></</span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 5</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">link </span><span style="color: #ff0000;">rel</span><span style="color: #0000ff;">="stylesheet"</span><span style="color: #ff0000;"> type</span><span style="color: #0000ff;">="text/css"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="css/blue.css"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 6</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 7</span> <span style="background-color: #f5f5f5; color: #800000;">*</span><span style="background-color: #f5f5f5; color: #000000;">{</span><span style="background-color: #f5f5f5; color: #ff0000;"> margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> padding</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;"> 8</span> <span style="background-color: #f5f5f5; color: #800000;">div</span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;"> 9</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 50px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">10</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> black</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">11</span> <span style="background-color: #f5f5f5; color: #ff0000;">    padding-left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">12</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">13</span> <span style="background-color: #f5f5f5; color: #800000;">div section</span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">14</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 30px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">15</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 30px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">16</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">17</span> <span style="background-color: #f5f5f5; color: #ff0000;">    display</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> inline-block</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">18</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">19</span> <span style="background-color: #f5f5f5; color: #800000;">div section:nth-of-type(1)</span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">20</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> red</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">21</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">22</span> <span style="background-color: #f5f5f5; color: #800000;">div section:nth-of-type(2)</span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">23</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">24</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">25</span> <span style="background-color: #f5f5f5; color: #800000;">div section:nth-of-type(3)</span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">26</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> green</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">27</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">28</span> <span style="background-color: #f5f5f5; color: #800000;">div section:nth-child(4)</span><span style="background-color: #f5f5f5; color: #000000;">{</span>
<span style="color: #008080;">29</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> yellow</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">30</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">31</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">32</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">33</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">34</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">35</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">data-color</span><span style="color: #0000ff;">="red"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">36</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">data-color</span><span style="color: #0000ff;">="blue"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">37</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">data-color</span><span style="color: #0000ff;">="green"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">38</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">data-color</span><span style="color: #0000ff;">="yellow"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">39</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">40</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">41</span> <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> div </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> document.getElementsByTagName(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">div</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">)[</span><span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">];
</span><span style="color: #008080;">42</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">添加鼠标单击事件</span>
<span style="color: #008080;">43</span> <span style="background-color: #f5f5f5; color: #000000;">div.onclick </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(event){
</span><span style="color: #008080;">44</span> <span style="background-color: #f5f5f5; color: #000000;">console.log(event.target);
</span><span style="color: #008080;">45</span> <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> ele </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> event.target;
</span><span style="color: #008080;">46</span> <span style="background-color: #f5f5f5; color: #000000;">console.log(ele.tagName);</span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">使用.tagName时，控制台输出全部大写，所以在下面的if判断中，使用“SECTION”.</span>
<span style="color: #008080;">47</span> <span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(ele.tagName </span><span style="background-color: #f5f5f5; color: #000000;">==</span> <span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">SECTION</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">){
</span><span style="color: #008080;">48</span> <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> color </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> ele.dataset.color;
</span><span style="color: #008080;">49</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">var color = ele.getAttribute("data-color");</span>
<span style="color: #008080;">50</span> <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> link </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> document.createElement(</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">link</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">);
</span><span style="color: #008080;">51</span> <span style="background-color: #f5f5f5; color: #000000;">link.href </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">css/</span><span style="background-color: #f5f5f5; color: #000000;">'</span> <span style="background-color: #f5f5f5; color: #000000;">+</span><span style="background-color: #f5f5f5; color: #000000;"> color </span><span style="background-color: #f5f5f5; color: #000000;">+</span> <span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">.css</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">;
</span><span style="color: #008080;">52</span> <span style="background-color: #f5f5f5; color: #000000;">link.rel </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">stylesheet</span><span style="background-color: #f5f5f5; color: #000000;">"</span><span style="background-color: #f5f5f5; color: #000000;">;
</span><span style="color: #008080;">53</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;"> 添加样式表到head，但是会造成页面样式表越来越多，所以不推荐</span>
<span style="color: #008080;">54</span> <span style="background-color: #f5f5f5; color: #000000;">document.head.appendChild(link); 
</span><span style="color: #008080;">55</span> <span style="background-color: #f5f5f5; color: #000000;">}
</span><span style="color: #008080;">56</span> <span style="background-color: #f5f5f5; color: #000000;">}
</span><span style="color: #008080;">57</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">58</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
Copy after login

The first idea is to only write a link and then continuously add style sheets to the head, but this will cause more and more style sheets on the page, so it is not recommended.

The second idea: write 4 link tags, and then change the website skin by adjusting whether the link is available or not. The code is as follows: 

<span style="color: #008080;"> 1</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 2</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">meta </span><span style="color: #ff0000;">charset</span><span style="color: #0000ff;">="UTF-8"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 3</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>动态换肤<span style="color: #0000ff;"></</span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 4</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">link </span><span style="color: #ff0000;">rel</span><span style="color: #0000ff;">="stylesheet"</span><span style="color: #ff0000;"> type</span><span style="color: #0000ff;">="text/css"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="css/blue.css"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 5</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">link </span><span style="color: #ff0000;">rel</span><span style="color: #0000ff;">="stylesheet"</span><span style="color: #ff0000;"> type</span><span style="color: #0000ff;">="text/css"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="css/red.css"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 6</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">link </span><span style="color: #ff0000;">rel</span><span style="color: #0000ff;">="stylesheet"</span><span style="color: #ff0000;"> type</span><span style="color: #0000ff;">="text/css"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="css/green.css"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 7</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">link </span><span style="color: #ff0000;">rel</span><span style="color: #0000ff;">="stylesheet"</span><span style="color: #ff0000;"> type</span><span style="color: #0000ff;">="text/css"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="css/yellow.css"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 8</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 9</span> <span style="background-color: #f5f5f5; color: #800000;">*</span><span style="background-color: #f5f5f5; color: #000000;">{</span><span style="background-color: #f5f5f5; color: #ff0000;"> margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span><span style="background-color: #f5f5f5; color: #ff0000;"> padding</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 0</span><span style="background-color: #f5f5f5; color: #000000;">;</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">10</span> <span style="background-color: #f5f5f5; color: #800000;">div</span><span style="background-color: #f5f5f5; color: #000000;">{</span> 
<span style="color: #008080;">11</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 50px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">12</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> black</span><span style="background-color: #f5f5f5; color: #000000;">;</span>
<span style="color: #008080;">13</span> <span style="background-color: #f5f5f5; color: #ff0000;">    padding-left</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">14</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">15</span> <span style="background-color: #f5f5f5; color: #800000;">div section</span><span style="background-color: #f5f5f5; color: #000000;">{</span> 
<span style="color: #008080;">16</span> <span style="background-color: #f5f5f5; color: #ff0000;">    width</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 30px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">17</span> <span style="background-color: #f5f5f5; color: #ff0000;">    height</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 30px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">18</span> <span style="background-color: #f5f5f5; color: #ff0000;">    margin</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> 10px</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">19</span> <span style="background-color: #f5f5f5; color: #ff0000;">    display</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> inline-block</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">20</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">21</span> <span style="background-color: #f5f5f5; color: #800000;">div section:nth-of-type(1)</span><span style="background-color: #f5f5f5; color: #000000;">{</span> 
<span style="color: #008080;">22</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> blue</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">23</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">24</span> <span style="background-color: #f5f5f5; color: #800000;">div section:nth-of-type(2)</span><span style="background-color: #f5f5f5; color: #000000;">{</span> 
<span style="color: #008080;">25</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> red</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">26</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">27</span> <span style="background-color: #f5f5f5; color: #800000;">div section:nth-of-type(3)</span><span style="background-color: #f5f5f5; color: #000000;">{</span> 
<span style="color: #008080;">28</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> green</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">29</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">30</span> <span style="background-color: #f5f5f5; color: #800000;">div section:nth-child(4)</span><span style="background-color: #f5f5f5; color: #000000;">{</span> 
<span style="color: #008080;">31</span> <span style="background-color: #f5f5f5; color: #ff0000;">    background-color</span><span style="background-color: #f5f5f5; color: #000000;">:</span><span style="background-color: #f5f5f5; color: #0000ff;"> yellow</span><span style="background-color: #f5f5f5; color: #000000;">;</span> 
<span style="color: #008080;">32</span> <span style="background-color: #f5f5f5; color: #000000;">}</span>
<span style="color: #008080;">33</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">style</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">34</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">35</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">36</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">37</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">data-color</span><span style="color: #0000ff;">="0"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">38</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">data-color</span><span style="color: #0000ff;">="1"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">39</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">data-color</span><span style="color: #0000ff;">="2"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">40</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">section </span><span style="color: #ff0000;">data-color</span><span style="color: #0000ff;">="3"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">section</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">41</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">42</span> <span style="color: #0000ff;"><</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">43</span> <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> links </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> document.getElementsByTagName(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">link</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">);
</span><span style="color: #008080;">44</span> <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;"> enableLinks(index){
</span><span style="color: #008080;">45</span> <span style="background-color: #f5f5f5; color: #0000ff;">for</span><span style="background-color: #f5f5f5; color: #000000;">(</span><span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> i </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #000000;">0</span><span style="background-color: #f5f5f5; color: #000000;">;i </span><span style="background-color: #f5f5f5; color: #000000;"><</span><span style="background-color: #f5f5f5; color: #000000;"> links.length; i</span><span style="background-color: #f5f5f5; color: #000000;">++</span><span style="background-color: #f5f5f5; color: #000000;">){</span><span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">循环查找4个link标签</span>
<span style="color: #008080;">46</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">disabled表示关闭，如果i不等于当前index，则disabled就是true，即关闭该link标签</span>
<span style="color: #008080;">47</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">.sheet表示样式表</span>
<span style="color: #008080;">48</span> <span style="background-color: #f5f5f5; color: #000000;">links[i].sheet.disabled </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> i</span><span style="background-color: #f5f5f5; color: #000000;">!=</span><span style="background-color: #f5f5f5; color: #000000;">index;
</span><span style="color: #008080;">49</span> <span style="background-color: #f5f5f5; color: #000000;">}
</span><span style="color: #008080;">50</span> <span style="background-color: #f5f5f5; color: #000000;">}
</span><span style="color: #008080;">51</span> <span style="background-color: #f5f5f5; color: #000000;">enableLinks(</span><span style="background-color: #f5f5f5; color: #000000;">2</span><span style="background-color: #f5f5f5; color: #000000;">);
</span><span style="color: #008080;">52</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">给div标签添加鼠标点击事件</span>
<span style="color: #008080;">53</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">event:事件对象</span>
<span style="color: #008080;">54</span> <span style="background-color: #f5f5f5; color: #000000;">document.querySelector(</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">div</span><span style="background-color: #f5f5f5; color: #000000;">'</span><span style="background-color: #f5f5f5; color: #000000;">).onclick </span><span style="background-color: #f5f5f5; color: #000000;">=</span> <span style="background-color: #f5f5f5; color: #0000ff;">function</span><span style="background-color: #f5f5f5; color: #000000;">(event){
</span><span style="color: #008080;">55</span> <span style="background-color: #f5f5f5; color: #0000ff;">var</span><span style="background-color: #f5f5f5; color: #000000;"> index </span><span style="background-color: #f5f5f5; color: #000000;">=</span><span style="background-color: #f5f5f5; color: #000000;"> event.target.dataset.color;
</span><span style="color: #008080;">56</span> <span style="background-color: #f5f5f5; color: #000000;">console.log(index);
</span><span style="color: #008080;">57</span> <span style="background-color: #f5f5f5; color: #0000ff;">if</span><span style="background-color: #f5f5f5; color: #000000;">(index </span><span style="background-color: #f5f5f5; color: #000000;">==</span><span style="background-color: #f5f5f5; color: #000000;"> undefined){
</span><span style="color: #008080;">58</span> <span style="background-color: #f5f5f5; color: #0000ff;">return</span><span style="background-color: #f5f5f5; color: #000000;">;
</span><span style="color: #008080;">59</span> <span style="background-color: #f5f5f5; color: #000000;">}</span><span style="background-color: #f5f5f5; color: #0000ff;">else</span><span style="background-color: #f5f5f5; color: #000000;">{
</span><span style="color: #008080;">60</span> <span style="background-color: #f5f5f5; color: #008000;">//</span><span style="background-color: #f5f5f5; color: #008000;">调用enableLinks()</span>
<span style="color: #008080;">61</span> <span style="background-color: #f5f5f5; color: #000000;">enableLinks(index);
</span><span style="color: #008080;">62</span> <span style="background-color: #f5f5f5; color: #000000;">}
</span><span style="color: #008080;">63</span> <span style="background-color: #f5f5f5; color: #000000;">}
</span><span style="color: #008080;">64</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">script</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">65</span> <span style="color: #0000ff;"></</span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
Copy after login

Pay attention to the custom attribute data-color of the html section of the two methods, one is the color and the other is the number.

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