摘要: js 下 let a = [ 1 , 2 , 3 ] let b = [ 2 , 3 , 5 ] let maps = new Map() a.map( i => { maps.set( i , "del" ) }) b.map(i=>{ if ( maps.get( i )) { maps.set 阅读全文
posted @ 2022-03-12 14:07 lambertlt 阅读(86) 评论(0) 推荐(0) 编辑