html - make checkbox behave like radio buttons with javascript -

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i need manipulate behavior of check boxes javascript. should behave radio buttons (only 1 selectable @ time, plus unselect previous selections).

the problem can't use plain radio buttons in first place, because name attribute each radio button different.

i know not ultimate , shiniest solutions make apple pear, , w3c wouldn't give me thumbs it, better solution right change core php logic of entire cms structure ;-)

any appreciated!

html :

<label><input type="checkbox" name="cb1" class="chb" /> checkbox1</label> <label><input type="checkbox" name="cb2" class="chb" /> checkbox2</label> <label><input type="checkbox" name="cb3" class="chb" /> checkbox3</label> <label><input type="checkbox" name="cb4" class="chb" /> checkbox4</label>

jquery :

$(".chb").change(function() {     $(".chb").prop('checked', false);     $(this).prop('checked', true); });

if want user can unchecked selected item :

$(".chb").change(function() {     var checked = $(this).is(':checked');     $(".chb").prop('checked',false);     if(checked) {         $(this).prop('checked',true);     } });

demo :

http://jsfiddle.net/44zfv/724/


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