[beginer]Why this script failed to work?

devdoer · Sep 28, 2008

HI:

I paste my script below:

<html>
<head>
<script src="http://code.activestate.com/js/jquery-1.2.1.js"
type="text/javascript"></script>

<script language="javascript" type="text/javascript">
function onLoad() {
var frame1 = $("#frame1");
alert("1");
var innerDoc = (frame1.get(0).contentDocument) ?
frame1.get(0).contentDocument : frame1.get(0).contentWindow.document;
alert("2");
var b=innerDoc.body;
alert("3");
alert(innerDoc.body.scrollHeight);
}
</script>

</head>
<body>
<iframe id="frame1" src="http://www.baidu.com" width=100%
onload="onLoad()">
</body>
</html>

The script only alert "1" in IE and alert "2" in firefox. It seems
stop execute after then.

Does any guy know why?

webzhao · Sep 28, 2008

HI:

I paste my script below:

<html>
<head>
<script src="http://code.activestate.com/js/jquery-1.2.1.js"
type="text/javascript"></script>

<script language="javascript" type="text/javascript">
function onLoad() {
var frame1 = $("#frame1");
alert("1");
var innerDoc = (frame1.get(0).contentDocument) ?
frame1.get(0).contentDocument : frame1.get(0).contentWindow.document;
alert("2");
var b=innerDoc.body;
alert("3");
alert(innerDoc.body.scrollHeight);
}
</script>

</head>
<body>
<iframe id="frame1" src="http://www.baidu.com" width=100%
onload="onLoad()">
</body>
</html>

The script only alert "1" in IE and alert "2" in firefox. It seems
stop execute after then.

Does any guy know why?

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devdoer · Sep 28, 2008

Why the # character in there? Maybe it's a prototype.js syntax thing, I
don't know.

You're not checking first if frame1 != null, which it would be if that #
above was wrong. You're also trying to access the contentDocument of a
page in a different domain. This is actively blocked by the browsers for
security reasons.

But by using firebug, I can view the innerDoc 's content and other
attributes in the debug window.

RobG · Sep 28, 2008

HI:

I paste my script below:

<html>
<head>
<script src="http://code.activestate.com/js/jquery-1.2.1.js"
type="text/javascript"></script>

<script language="javascript" type="text/javascript">
function onLoad() {
var frame1 = $("#frame1");

That looks like something from jQuery, so ask in a jQuery forum.

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[beginer]Why this script failed to work?

devdoer

webzhao

devdoer

RobG

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