1. Free Delta
  2. Javascript
  3. Make a checkbox check or uncheck a group of checkboxes

Make a checkbox check or uncheck a group of checkboxes

In your form you want to check/uncheck a group of checkboxes by clicking in one checkbox, see the code..

<script type="text/javascript">// <![CDATA[
function ChekUncheckGroup(my_check){
is_checked = (my_check.checked)?true:false
for (x=0;x<my_check.form.length;x++){ 
my_check.form.elements[x].checked = is_checked;
}
}
// ]]></script>

<form>
<input onclick="ChekUncheckGroup(this)" type="checkbox" />
<input type="checkbox" />
 <input type="checkbox" />
</form>