Check all Checkbox

by ajayogal

HTML

<input type="checkbox" id='ok' >
<input type="checkbox" name='age_group_id'>
<input type="checkbox" name='age_group_id'>
<input type="checkbox" name='age_group_id'>

JavaScript

$('#ok').on('change',function(){	

    var source = $(this);
    var sAll = $('[name=age_group_id]');    
    for (var i = 0; i < sAll.length; i++) {        
        sAll[i].checked = (source.is(':checked'))? true : false;
    }
});