摘要: const ua = navigator.userAgent; this.ua = ua; this.trident = ua.indexOf('Trident') > -1; // ie this.presto = ua.indexOf('Presto') > -1; // opera this. 阅读全文
posted @ 2018-05-18 17:18 南韵 阅读(176) 评论(0) 推荐(0) 编辑