只要看看代碼,你就會明白我的意思:的JavaScript創建使用的備份陣列
var aBackup = [3, 4]; // backup array
var a = aBackup; // array to work with is set to backup array
a[0]--; // working with array..
a = aBackup; // array o work with will be rested
console.log(a); // returns [2, 4] but should return [3, 4]
console.log(aBackup); // returns [2, 4] too but should return [3, 4] too
可能的重複[有沒有方法在jQuery中克隆數組?](http://stackoverflow.com/questions/3775480/is-there-a-method-to-clone-an-array-in- jQuery) - 儘管在標題/問題中使用了jQuery,但解決方案並不是jQuery相關的。 – 2012-03-20 10:46:22
@FelixKling對不起,我遇到過這個重複。每個人都應該投票結束。 – noob 2012-03-20 10:56:38