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How to use css selector to switch the navigation bar background image?

黄舟Original: 2017-07-19 15:20:062760browse

The effect is as shown:

html code:

<p class="banner_area">
<p class="item">
<span class="ck_item one" itemType=&#39;jjjz&#39;></span>
</p>
<p class="item">
<span class="ck_item two" itemType=&#39;jdbg&#39;></span>
</p>
<p class="item">
<span class="ck_item three" itemType=&#39;spbj&#39;></span>
</p>
<p class="item  cur_item">
<span class="ck_item four" itemType=&#39;ssnz&#39;></span>
</p>
<p class="item ">
<span class="ck_item fiv" itemType=&#39;jpnz&#39;></span>
</p>
<p class="item six">
<span class="ck_item six" itemType=&#39;hfcz&#39;></span>
</p>
<p class="item" style="margin-right: 0px;">
<span class="ck_item seven" itemType=&#39;xbsp&#39;></span>
</p>
</p>

css:

.one{background: url(http://img.jiangcdn.com/home/insider/jujz_one.jpg) no-repeat;}
.two{background: url(http://img.jiangcdn.com/home/insider/jdbg_one.jpg) no-repeat;}
.three{background: url(http://img.jiangcdn.com/home/insider/spbj_one.jpg) no-repeat;}
.four{background: url(http://img.jiangcdn.com/home/insider/ssnz_one.jpg) no-repeat;}
.fiv{background: url(http://img.jiangcdn.com/home/insider/jpnz_one.jpg) no-repeat;}
.six{background: url(http://img.jiangcdn.com/home/insider/hfqz_one.jpg) no-repeat;}
.seven{background: url(http://img.jiangcdn.com/home/insider/xbsp_one.jpg) no-repeat;}
.cur_item{width: 218px;height: 53px;}
.cur_item span.one{background: url(http://img.jiangcdn.com/home/insider/jjjz_two.jpg) no-repeat;}
.cur_item span.two{background: url(http://img.jiangcdn.com/home/insider/jdbg_two.png) no-repeat;}
.cur_item span.three{background: url(http://img.jiangcdn.com/home/insider/spbj_two.jpg) no-repeat;}
.cur_item span.four{background: url(http://img.jiangcdn.com/home/insider/ssnz_two.jpg) no-repeat;}
.cur_item span.fiv{background: url(http://img.jiangcdn.com/home/insider/jpnz_two.jpg) no-repeat;}
.cur_item span.six{background: url(http://img.jiangcdn.com/home/insider/hfqz_two.jpg) no-repeat;}
.cur_item span.seven{background: url(http://img.jiangcdn.com/home/insider/xbsp_two.jpg) no-repeat;}

When we click span(class='ck_item'), we can dynamically add and delete the class cur_item by its parent element p(class="item ") Achieve the effect shown above.

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