从两个数组中获取唯一值并将它们放入另一个数组中 [英] Get the unique values from two arrays and put them in another array

问题描述

我在 javascript 中有两个数组 -:

I have two arrays in javascript -:

var array1 = ['12','1','10','19','100'];
var array2 = ['12','10','19'];

我需要一种方法来从两个数组中获取唯一值并将它们放入 array3Array3 应该是 -:

I need to a method to get the unique from two arrays and put them in array3 Array3 should be -:

var array3 = ['1','100'];

感谢您的帮助.

推荐答案

var array3 = array1.filter(function(obj) { return array2.indexOf(obj) == -1; });

Array#filter 上的 MDN:https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/filter

MDN on Array#filter: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/filter

包括用于旧浏览器的 polyfill.

Includes a polyfill for older browsers.

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