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Asked: 2026-05-31T17:10:46+00:00

How to check if specific key is contained in associative array? I know I

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How to check if specific key is contained in associative array? I know I can loop over all keys but can I do single-step check?

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  1. Editorial Team
    myObject.hasOwnProperty("field")

    Example Code:

    var dic:Object = new Object();
dic["field"] = "data";

trace (dic.hasOwnProperty("field")); //true
trace (dic.hasOwnProperty("nofield")); //false
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