js操作元素className

aomenglong0411

于 2016-04-25 00:47:00 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/fangxuele/p/5429089.html

Base.prototype.addClass = function (className) {
	for (var i = 0; i < this.elements.length; i ++) {
		if (!this.elements[i].className.match(new RegExp('(\\s|^)' + className + '(\\s|$)'))){
			  this.elements[i].className += ' ' + className;
		}
	}
	return this;
}
//移除CLASS
Base.prototype.removeClass = function (className) {
	for (var i = 0; i < this.elements.length; i ++) {
		if (this.elements[i].className.match(new RegExp('(\\s|^)' + className + '(\\s|$)'))){
			this.elements[i].className = this.elements[i].className.
			replace(new RegExp('(\\s|^)' + className + '(\\s|$)'), ' ');
		}
	}
	return this;
}

转载于:https://www.cnblogs.com/fangxuele/p/5429089.html