today we are going to show you how you can get the value of a checkbox in a html web form when submitted into javascript code:

first, open your text editor. i will use windows notepad, then copy and paste this code into a blank notepad:

<!--
############## CREATED BY WWW.WEBUNE.COM ###############
############## COPYRIGHT UGN/GPL 2010 #################
############# PLEASE DO NOT REMOVE THIS ###############
-->
<p>This small script shows you how to get the javascript value in a web form.<br /></p>

<script type="text/javascript">
function alertselected(){
	var Field = document.getElementById('sample');
 alert('selectedIndex = ' + Field.checked + ' \n value = ' + Field.value + ' \n type = ' + Field.type )
}
</script>

<form id="someform">
agree to terms: 
<input type="checkbox" id="sample" value="agree"><br />



<input type="button" onClick="alertselected()" value="alert" />
</form>

<p><img src="http://www.webune.com/images/headers/default_logo.jpg" /></p>
<p>Script Created by www.<a href="http://www.webune.com">Webune.com</a></p>

now save the file as form-checkbox.html and open it with your browser to see it in action.

if you prefer, we have already created the file for you. just download it from the attachments section

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Demo

agree to terms:

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