<!DOCTYPE html> <html lang="en" dir="ltr"> <head> <meta charset="utf-8"> <title></title> <script> let arr=[100, 98, 37, 28, 19, 96, 56, 67]; /*let res=arr.map(function (item){ if(item>=60){ return true; }else{ return false; } });*/ let res=arr.map(item=>item>=60); console.log(arr, res); </script> </head> <body> </body> </html>
原文：https://www.cnblogs.com/angdh/p/14380271.html