在另一个字符串的位置x处插入字符串 [英] Inserting string at position x of another string

问题描述

我有2个vars，需要在此位置插入b。我正在寻找的结果是我想要一个苹果。如何使用jquery或javascript执行此操作？

I have 2 vars and need to insert b into a at this position. The result I'm looking for is "I want an apple". How can I do this with jquery or javascript?

var a = "I want apple";
var b = "an";
var position = 6;

推荐答案

var a = "I want apple";
var b = "an";
var position = 6;
var output = [a.slice(0, position), b, a.slice(position)].join('');
console.log(output);

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