Entry
How do you check for the existence of a text box on a form?
Aug 11th, 2006 16:33
David Alden, Brian Licci,
<html>
<script type="text/javascript" language="javascript">
function areThereTextBoxes(){
var elements = document.getElementsByTagName('INPUT');
var isText = "no";
for(var i = 0; i < elements.length; i++){
if(elements[i].type=="text"){
isText="yes";
}
}
alert(isText);
}
</script>
<form name="thisForm">
<input type="text" name="thisText">
<textarea name="thisTextarea" >Some sample
text</textarea>
<br>
<br>
<input type="button" value="Are there Text Boxes on
this page?" onclick="areThereTextBoxes()">
</form>
</html>
