小明希望利用map()把字符串变成整数，他写的代码很简洁：

Discuss / JavaScript / 小明希望利用map()把字符串变成整数，他写的代码很简洁：

Back

Topic source

#1 Created at ... [Delete] [Delete and Lock User]

'use strict';

var arr = ['1', '2', '3']; var r; r = arr.map(function parseInt2(x) { return parseInt(x); }); console.log(r); // 问题详解见我博客：JavaScript之map与parseInt的陷阱

#2 Created at ... [Delete] [Delete and Lock User]

不能使用parseInt()和Number(), 又一个骗浏览量的

#3 Created at ... [Delete] [Delete and Lock User]

不好意思, 回复错了, 我的错:)