document.getElementById('btnid').disabled is not working in firefox and chrome

Question

I\'m using JavaScript for disabling a button. Works fine in IE but not in FireFox and chrome, here is the script what I\'m working on:

function disbtn(e) { 
         


        

Answer 1

Try setting the disabled attribute directly:

if ( someCondition == true ) {
   document.getElementById('btn1').setAttribute('disabled', 'disabled');
} else {
   document.getElementById('btn1').removeAttribute('disabled');
}