Javascript or Jquery to check and uncheck all checkbox

Question

I have a form with a list of checkboxs. I want to create a checkAll and UncheckAll boxes for better user experience. I tried a lot of code that I got from Internet, but none

Answer 1

Javascript function to toggle (check/uncheck) all checkbox.

function checkAll(bx)
{
 var cbs = document.getElementsByTagName('input');
 for(var i=0; i < cbs.length; i++)
 {
    if(cbs[i].type == 'checkbox')
    {
        cbs[i].checked = bx.checked;
     }
 }
}