<input type="radio" name="r" value="1" /> SOM VALUE <br />
<input type="radio" name="r" value="2" /> SOM VALUE <br />
<input type="radio" name="r" value="3" /> SOM VALUE <br />
<input type="radio" name="r" value="4" /> SOM VALUE <br />
<input type="radio" name="r" value="5" /> SOM VALUE <br />
JavaScript
var elements = document.getElementsByName('r');
for(var i=0;i<elements.length;i++){
elements[i].addEventListener('change',function(){ alert("CHANGED!"); });
}
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