function diff(arr1, arr2) {
var newArr = [];
// Same, same; but different.
arr1.map(function(val1){
if(arr2.indexOf(val1) === -1){
newArr.push(val1);
}else{
arr2.splice(arr2.indexOf(val1),1);
}
});
return newArr.concat(arr2);
}
diff([1, 2, 3,6, 5], [1, 2, 3, 4, 5]);
参考
http://www.imooc.com/article/18353
参考
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array
参考
https://segmentfault.com/a/1190000010866742
参考
http://www.cduyzh.com/JS-intermediate-train/
参考
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/every
参考
https://segmentfault.com/a/1190000008072646
找出数组间差异算法挑战
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