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The value of "ID" must be a number, you need to convert it to a string
On 11 Jul 2003 at 10:51, Bill Vanselow wrote:
> I'm looking to write a JavaScript that can read the value of a hidden field, and
> then check to see if
> the first 4 characters is equal to a string. Does anyone know how to do this?
> I've tried this script, but "substr" is not a valid method.
> var MyField = this.getField("ID");
var MyStr = ""+MyField.value; // concat a string to a number, yields a
string
// var MyStr = MyField.valueAsString; // Acro5.0 or later
> app.alert(MyStr.substr(1,4));
> thanks
> Bill
Regards,
dps
Dr. D. P. Story
Department of Mathematics and Computer Science
The University of Akron
Akron, OH 44325
tele: (330) 972-7514
e-mail: [EMAIL PROTECTED]
Home Page: http://www.math.uakron.edu/~dpstory/
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