[JS]让原生JS支持JQ CSS语句

HTMLElement.prototype.css = function () {var option;if (arguments.length > 0) {option = arguments[0];if (2 === arguments.length) {option = {}, option[arguments[0]] = arguments[1];}if ('object' === typeof option) {for (var key in option) {if (option.hasOwnProperty(key)) {this.style[key] = option[key];}}}}return this;};