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onmouseover event

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Oct 17.2011

Why does this code not produce a dropdown list when onmouseover happens?

<!DOCTYPE HTML PUBLIC “-//W3C//DTD HTML 4.01 TRANSITIONAL//EN”>
<html>

<head>
<style type=”text/css”>

div.dg
{

border:2px solid white;
display:none;
}

a
{
width: 100px;
text-align:center;
background-color:red;
color:white;
font-size:16px;
display:block;

}

</style>

</head>

<body>

<div>
<a id=”kj” href=”kkjklj.com” onmouseover=”this.parentNode.childNodes[1].style.display=’inline’;”
onmouseout=”this.parentNode.childNodes[1].style.display=’none’;”>kjlj</a>
<div class=”dg”>
<a href=”kjlj.com”>lkjefee</a>
<a href=”ehfueh.com”>fheufheuih</a>
</div>
</div>

</body>
</html>

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JavaScript

2 Comments(s) ↴

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@KorOct 18.2011 — 
  • 1. [B]childNodes[][/B] is inconsistent among browsers. Some browsers, like Mozilla, count all the [I]possible[/I] text nodes (the "gaps" between the tags) as childNodes, others, like IE, count only some of them or none. As a result childNodes[1] might designate different elements, according to the browser. Use [B]getElementsByTagName()[/B] instead.


  • 2. A DIV element is a block level element, thus it can not have the display inline. You should use the value: [B]block[/B]


    • Is this what you want?
    <i>
    </i>&lt;div&gt;
    &lt;a id="kj" href="kkjklj.com" onmouseover="this.parentNode.getElementsByTagName('div')[0].style.display='block';"
    onmouseout="this.parentNode.getElementsByTagName('div')[0].style.display='none';"&gt;kjlj&lt;/a&gt;
    &lt;div class="dg"&gt;
    &lt;a href="kjlj.com"&gt;lkjefee&lt;/a&gt;
    &lt;a href="ehfueh.com"&gt;fheufheuih&lt;/a&gt;
    &lt;/div&gt;
    &lt;/div&gt;
    Copy linkTweet thisAlerts:
    @jmu2101authorOct 18.2011 — i didn't know that, thank you very much. Yes that is the code i was trying to write!
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