02 2020 档案

es6判断数组是否包含某个元素
摘要：1 let arr= ['baidu', 'google', 'taobao']; 2 3 console.log(arr.includes('baidu')); //true 4 console.log(arr.includes('baidu1')); //false 阅读全文
posted @ 2020-02-19 10:42 PromiseOne 阅读(30983) 评论(0) 推荐(0)