HI there,
here is a basic piece of HTML/JavaScript that duplicates something
similar in an application we're working on:
<html>
<head>
<script src="prototype.js" type="text/javascript" ></script>
</head>
<body>
<div id="ST_1">ST_1</div>
</body>
<script>
var widgetId = "ST_1";
var widgetStyleParam = "border";
var widgetStyleValue = "1px solid black";
eval("$("+widgetId+").style."+widgetStyleParam+"='"+widgetStyleValue
+"'");
</script>
</html>
The problem we're having is that with firebug enabled the eval line
raises the following warning in Firebug:
"Element referenced by ID/NAME in the global scope. Use W3C standard
document.getElementById() instead."
as we make 'lots' of use of the above type of eval statement (and have
a large number of page elements) the performance hit makes some of our
subsecond loops take tens of seconds. No performance hit if firebug is
turned off though.
I've read in some other posts something about the warning being
incorrect and that prototype is working as intended, but that doesn't
help with the first impressions people get when running our app if
firebug is installed and enabled (which is quite common amongst
developers).
I'm sure there is something obvious we've overlooked and any help is
appreciated.
Many thanks again,
Gareth
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