How do I disable all input buttons without using jQuery?

Question

How would I do this without jQuery?

$(\'input[type=submit]\').attr(\'disabled\',true);

It doesn\'t have to be cross-browser compatible; a s

Answer 1

var els = document.getElementsByTagName ( 'input' );
for ( var i = 0; i < els.length ; i ++ ) {
 if ( els[i].type == 'submit' ) els[i].setAttribute('disabled', 'true'); 
}