phpqa

Handling the multiple checkboxes with jquery for Check All, Uncheck All
and get values from selected values. V2 For new versions of Jquery.

include jquery

<script language="JavaScript" src="youserveraddres/js/jquery.js"></script>

your html

<input name="phpqa[]" type="checkbox" value="1">1
<input name="phpqa[]" type="checkbox" value="2">2
<input name="phpqa[]" type="checkbox" value="3">3
<input name="phpqa[]" type="checkbox" value="4">4
<input name="phpqa[]" type="checkbox" value="5">5
<input name="phpqa[]" type="checkbox" value="6">6
<input name="phpqa[]" type="checkbox" value="7">7
<input name="phpqa[]" type="checkbox" value="8">8

<a href="javascript:void();" onclick="markAll()">Check All</a>
<a href="javascript:void();" onclick="unMarkAll()">Uncheck All</a>
<a href="javascript:void();" onclick="getSelectedVals()">Get Checked Values</a>

// function for mark all / check all

function markAll(){
$("input[name='phpqa[]']").each(function() {
this.checked = true;
});
}

// function for uncheck all

function unMarkAll(){
$("input[name='phpqa[]']").each(function() {
this.checked = false;
});
}

//fetching selected values / checked values

function getSelectedVals(){
$("input[name='phpqa[]']").each(function() {
if ($(this).attr('checked'))
{
alert($(this).val());
}
});
}