aaac7fed
 liuqimichale
add
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"use strict";
var isValue = require("./object/is-value");
var slice = Array.prototype.slice;
// eslint-disable-next-line no-unused-vars
module.exports = function (value, propertyName1 /*, …propertyNamen*/) {
var propertyNames = slice.call(arguments, 1), index = 0, length = propertyNames.length;
while (isValue(value) && index < length) value = value[propertyNames[index++]];
return index === length ? value : undefined;
};
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