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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                從數組中移除第一個元素并將返回該元素。 ## 語法 ~~~ arrayObj.shift() ~~~ ## 參數 必需的 arrayObj 引用是 Array 對象。 ## 返回值 返回從數組中移除的元素。 ## 備注 下面的示例演示 shift 方法的用法。 ~~~ var arr = new Array(10, 11, 12); while (arr.length > 0) { var i = arr.shift(); document.write (i.toString() + " "); } // Output: // 10 11 12 ~~~
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