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                ## JS判斷兩個數組是否相等 >[info] #### 可以去判斷兩個數組是否相等 代碼如下: ``` /** * JS判斷兩個數組是否相等 * @param {Array} arr1 * @param {Array} arr2 * @returns {boolean} 返回true 或 false */ function arrayEqual(arr1, arr2) { if (arr1 === arr2) return true; if (arr1.length != arr2.length) return false; for (var i = 0; i < arr1.length; ++i) { if (arr1[i] !== arr2[i]) return false; } return true; } ``` 調用方法: ``` var arr1 = ['a','b']; var arr2 = ['a','b']; arrayEqual(arr1,arr2); ```
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