I'm running the same version. I wonder if it's operating system related then?
On 2/28/07, David Marginian <
david-IUT0uLTrdk7ZrEr2eKs0CtBPR1lH4CV8@xxxxxxxxxxxxxxxx> wrote:Mike,
This is not common across IE 7. It depends on the scripting
engine. You can check this via the following:
<html>
<body>
<script>
/*@cc_on @*/
function GetScriptEngineInfo(){
var s;
s = ""; // Build string with necessary info.
s += ScriptEngine() + " Version ";
s += ScriptEngineMajorVersion() + ".";
s += ScriptEngineMinorVersion() + ".";
s += ScriptEngineBuildVersion();
return(s);
}
alert("_javascript_ version is "+@_jscript_version+" build "+@_jscript_build);
alert(GetScriptEngineInfo());
</script>
</body>
</html>
I don't see the problem you mention. I am on Version
5.7, build 5730.
Quoting Mike Cantrell <m.j.cantrell-Re5JQEeQqe8AvxtiuMwx3w@xxxxxxxxxxxxxxxx>:
> DWR uses a lot of evals to de-serialize data into _javascript_ data
> structures. After experiencing several odd errors in IE7 with DWR and large
> sets of data, I started to do some digging. It seems that IE7 limits the
> number of variables that can be assigned in a single eval to 327687 (the max
> value of a signed short). If you cross that threshold, it gives you a
> generic 'Syntax Error' message.
>
> The following code demonstrates the problem:
>
> function StringBuffer() { this.buffer = []; }
>
> StringBuffer.prototype.append
= function(string) {
> this.buffer.push(string);
> return this;
> }
>
> StringBuffer.prototype.toString = function() {
> return this.buffer.join
("");
> }
>
>
>
> var max = 32768;
> testEval();
>
> function testEval() {
> var sb = new StringBuffer();
>
> for (var i=0; i < max; i++) {
> sb.append("s" + i + " = 'foo';");
> }
> eval(sb.toString());
> }
>
> I've opened a support case with MS but I don't have high hopes of them
> changing the behavior (I'm assuming that it's intentional). The most I'm
> hoping for is a little better error message.
>
> With that said, is there any hope of seeing DWR less reliant on large evals
> in the future?
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