摘要: String.prototype.trim = function () { return this.replace(/(^\s*)|(\s*$)/g, ''); } function isEmpty(obj) { if (typeof obj === "undefined" || obj == null || obj.trim() == "") { ... 阅读全文
posted @ 2019-06-20 19:43 yongfengnice 阅读(5973) 评论(0) 推荐(0)