| 1 | ;
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| 2 |
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| 3 | var toStr = Object.prototype.toString;
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| 4 |
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| 5 | module.exports = function isArguments(value) {
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| 6 | var str = toStr.call(value);
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| 7 | var isArgs = str === '[object Arguments]';
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| 8 | if (!isArgs) {
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| 9 | isArgs = str !== '[object Array]' &&
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| 10 | value !== null &&
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| 11 | typeof value === 'object' &&
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| 12 | typeof value.length === 'number' &&
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| 13 | value.length >= 0 &&
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| 14 | toStr.call(value.callee) === '[object Function]';
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| 15 | }
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| 16 | return isArgs;
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| 17 | };
|