A small jQuery plugin to enable/disable any form element, and any generic element (with 'disabled' class)

jq.fn.disEnAble.js

/**
 *   A small jQuery plugin to enable/disable any form element,
 *   and any generic element (with 'disabled' class)
 */
    
;(function (global) {
    var $ = global.jQuery || global.Zepto;

    $.fn.enable = function (cls) {
        var prp = 'disabled';
        cls || (cls = prp);
        this.attr(prp, null).prop(prp, false).removeClass(cls);
        return this;
    };

    $.fn.disable = function (cls) {
        var prp = 'disabled';
        cls || (cls = prp);
        this.attr(prp, prp).prop(prp, true).addClass(cls);
        return this;
    };
    
})(this);