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Posted By

micmath on 06/23/08

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sundaramkumar

is it an array?

Published in: JavaScript

Cribbed from Crockford's "JavaScript: The good parts."

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var isArray = function(value) {
    return value &&
        typeof value === 'object' &&
        typeof value.length === 'number' &&
        typeof value.splice === 'function' &&
        !(value.propertyIsEnumerable('length'));
};

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