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11 lines
309 B
11 lines
309 B
3 years ago
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var getKeys = require('./_object-keys');
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var toIObject = require('./_to-iobject');
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module.exports = function (object, el) {
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var O = toIObject(object);
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var keys = getKeys(O);
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var length = keys.length;
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var index = 0;
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var key;
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while (length > index) if (O[key = keys[index++]] === el) return key;
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};
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