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I don't want to change my text box name in Form because it' using some where else in program.
Problem is JavaScript doesn't like my textbox name (m4j-117). it's Considering "-" as minus.
How can I make it work with out change my text box name.
Thanks
Any help will be appreciate.
Here is my Sample Code.
<form name="randform">
<body>
<script language="javascript" type="text/javascript">
function randomString() {
var chars = "0123456789";
var string_length = 8;
var randomstring = '';
for (var i=0; i<string_length; i++) {
var rnum = Math.floor(Math.random() * chars.length);
randomstring += chars.substring(rnum,rnum+1);
}
document.randform.m4j-117.value = "P"+randomstring;
}
</script>
<input type="button" value="Create Random String" onClick="randomString();">
<input type="text" name="name" value="value" onblur="randomString();;"/>
<input type="text" name="m4j-117" value="">
</body>
</form>
202
asked Jan 21 '26 18:01
How about:
document.getElementsByName("m4j-117")[0].value = "P"+randomstring;
From a specific form:
document.randform.elements["m4j-117"] = "P"+randomstring;
document.randform['m4j-117'].value
Relying on names is a bit antiquated though; I'd suggest giving it an ID and using document.getElementById directly, or using querySelector with an appropriate ID for the form
45
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