17 lines
422 B
JavaScript
17 lines
422 B
JavaScript
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'use strict';
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var toStr = Object.prototype.toString;
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module.exports = function isArguments(value) {
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var str = toStr.call(value);
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var isArgs = str === '[object Arguments]';
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if (!isArgs) {
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isArgs = str !== '[object Array]' &&
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value !== null &&
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typeof value === 'object' &&
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typeof value.length === 'number' &&
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value.length >= 0 &&
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toStr.call(value.callee) === '[object Function]';
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}
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return isArgs;
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};
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