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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
                一種類數組特性的對象。 var myArray = []; myArray.length // 0 myArray = ["zero", "one", "two", "five"]; 數組長度length是: [數組下標] + 1。 var myArray = [100]; myArray.length // 101 添加元素 myArray = ["zero", "one", "two", "five"]; myArray[myArray.length] = "six"; myArray.push = "six"; 刪除元素 delete myArray[2] myArray = = ["zero", "one", undefind, "five"]; // 第一個參數為下標,第二個參數為個數 myArray.splice(2, 1); 由于javascript中所有的數組typeof都是object,所以需要判斷是否是數組 var is_array = function(value) { return Object.prototype.toString.apply(value) === '[object Array]'; };
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