Código Javascript
:
Ver original$(document).unbind('keydown').bind('keydown', function (event) {
var doPrevent = false;
if (event.keyCode === 8) {
var d = event.target;
if (d.tagName.toUpperCase() === 'INPUT') {
doPrevent = d.readOnly || d.disabled;
}
else {
doPrevent = true;
}
}
if (doPrevent) {
event.preventDefault();
}
});