JS 将数字字符串数组转为 数字数组 (互换)

时间:2019-10-08 18:31:02   收藏:0   阅读:94
var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
arr.map(String);  //结果: [‘1‘, ‘2‘, ‘3‘, ‘4‘, ‘5‘, ‘6‘, ‘7‘, ‘8‘, ‘9‘]


var a = [‘1‘, ‘2‘, ‘3‘, ‘4‘, ‘5‘, ‘6‘, ‘7‘, ‘8‘, ‘9‘]
a.map(Number);  //结果:[1, 2, 3, 4, 5, 6, 7, 8, 9]

 

原文:https://www.cnblogs.com/TreeCTJ/p/11636796.html

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