Library code snippets
TextArea character limits
The following code can be used to limit the number of characters one can enter into an HTML TextArea field.
<FORM action="nextpage.asp" method=POST name="myForm">
Description:
<TEXTAREA rows=3 cols=40 name="txt_project_description"></TEXTAREA>
<BR>
<font size="1">
Max 1000; characters remaining: <input value="1000" size="3" name="msgCL" disabled>
</FONT>
<script language="JavaScript">
<!--
var supportsKeys = false
function tick() {
calcCharLeft(document.forms[0])
if (!supportsKeys) timerID = setTimeout("tick()",1000)
}
function calcCharLeft(sig) {
clipped = false
maxLength = 1000
if (document.myForm.txt_project_description.value.length > maxLength)
{
document.myForm.txt_project_description.value = document.myForm.txt_project_description.value.substring(0,maxLength)
charleft = 0
clipped = true
}
else
{
charleft = maxLength - document.myForm.txt_project_description.value.length
}
document.myForm.msgCL.value = charleft
return clipped
}
tick();
//-->
</script>
</FORM>
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