随笔分类 -  ES7

ES7新特性
一. includes
摘要：ES7: includes ES5: indexOf 1. 判断 const arr = ['西游记', '红楼梦', '三国演义', '水浒传'] console.log(arr.includes('西游记')) // true console.log(arr.includes('太乙真人')) 阅读全文
posted @ 2020-11-25 11:14 小蓉儿 阅读(196) 评论(0) 推荐(0)