firefox cache loses the "disabled" attribute on html tags
If you load a form with a submit button set to "disabled", and then some javascript removes the "disabled" attribute, if you ctrl-r refresh the page the disabled attribute is missing from the refreshed page.
Here is a minimal repro case. Load the page, note the button is grayed out, when asked "remove disabled attribute?" click "ok", then reload the page, and *don't* remove the disabled attribute. The button should be disabled, but isn't.
<html>
<head>
<script type="text/javascript">
function removeDisabledAttribute(){
if (confirm("remove disabled attribute?")){
document.testform.searchbutton.disabled = false;
}
}
</script>
</head>
<body onLoad="removeDisabledAttribute();">
<form name="testform">
<input type="text">
<button type="submit" disabled="disabled" name="searchbutton">Search</button>
</form>
<br>
<a href="http://www.google.com">go to google and come back</a>
</body>
</html>由cor-el于修改
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