Cliché onBlur event and onfocus event (js)-JS Tutorial-php.cn

Cliché onBlur event and onfocus event (js)

高洛峰

Release： 2017-01-10 11:22:08

Original

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The onFocus event is an event that occurs when the cursor falls in the text box.

The onBlur event is an event that occurs when the cursor loses focus.

You can compile the following examples

1.html

<HTML>
<HEAD>
<TITLE>使用onBlur事件处理程序</TITLE>
</HEAD>
<BODY BGCOLOR="lavender">
<FORM name="F1">
<INPUT TYPE=text NAME=text1 value="1111ONBLUR_green" ONBLUR="(document.bgColor=&#39;green&#39;)">
<INPUT TYPE=text NAME=text2 value="2222ONBLUR_black" ONBLUR="(document.bgColor=&#39;black&#39;)">
<INPUT TYPE=text NAME=text2 value="3333ONBLUR_yellow" ONBLUR="(document.bgColor=&#39;yellow&#39;)">
<br>
<p>
<INPUT TYPE=text NAME=text3 value="4444onfocus_blue" onfocus="(document.bgColor=&#39;blue&#39;)">
<INPUT TYPE=text NAME=text4 value="5555onfocus_red" onfocus="(document.bgColor=&#39;red&#39;)">
<INPUT TYPE=text NAME=text4 value="6666onfocus_orange" onfocus="(document.bgColor=&#39;orange&#39;)">
</FORM>
</BODY>
</HTML>

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There are also the following examples

2. html

<!-- 文件说明：OnFocus事件 -->
 <!-- ------------------------------ -->
 <html>
 <head>
 <title>OnFocus事件</title>
 </head>
 <body>
 <Form>
 
 <input type="text" name="test1" value="test1" onclick=alert("可以关掉!")>
 <input type="text" name="test1" value="test1" onblur=alert("可以关掉aaaaaaa!")>
 
 <input type="text" name="test1" value="test1" onclick=alert("可以关掉bbbbbbbbb!")>
 <input type="text" name="test2" value="一按我就无法关掉了，haha" onFocus=alert("我成为了输入焦点!")>
 </Form>
 </body>
 </html>

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