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Length of a JavaScript object (that is, associative array) - Stack Overflow
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日期：2026-04-17
If I have a JavaScript associative array, say: var myArray = new Object(); myArray["firstname"] = "Gareth"; myArray["lastname"] = "Simpson"; myArray["age"] = 21; Is there a built-in or accepted ... ... To not mess with the prototype or other code, you cou...看更多
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