JavaScript代码在HEAD标记中不起作用 [英] javascript code not work in HEAD tag
本文介绍了JavaScript代码在HEAD标记中不起作用的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我的网页有以下代码:
My webpage has the following code:
<html>
<head>
<title>This is test Page</title>
<script language="javascript" type="text/javascript">
document.getElementById("msg1").innerHTML = document.URL.toString();
</script>
</head>
<body>
<div class="sss">
<p id="msg1"></p>
</div>
</body>
</html>
正如你现在在脚本执行div时不存在但我想把我的仅限JavaScript代码在< head>
标记中,我不会将它放在HTML代码的中间。
As you now at the time the script executes the div doesn't exist but I want to put my JavaScript code only In the <head>
tag and I won't put it in middle of HTML code.
但是,只有在< div>
标签之后放置< script>
标签时,此代码才有效。
我使用VS2010和firefox 19.0.1
But this code only works when I put the <script>
tag after the <div>
tag.
I use VS2010 and firefox 19.0.1
有没有把代码放在< head>
标记?
Is there anyway to put code in <head>
tag?
推荐答案
您的脚本依赖于DOM准备就绪,所以您只需在DOM之后执行该函数调用准备好。
Your script relies on the DOM being ready, so you need to execute that function call only after the DOM is ready.
<script language="javascript" type="text/javascript">
window.onload = function() {
document.getElementById("msg1").innerHTML = document.URL.toString();
}
</script>
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