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- 'use strict';
- var toPosInt = require('../../number/to-pos-integer')
- , callable = require('../../object/valid-callable')
- , value = require('../../object/valid-value')
- , hasOwnProperty = Object.prototype.hasOwnProperty
- , call = Function.prototype.call;
- module.exports = function (cb/*, thisArg*/) {
- var i, self, thisArg;
- self = Object(value(this));
- callable(cb);
- thisArg = arguments[1];
- for (i = (toPosInt(self.length) - 1); i >= 0; --i) {
- if (hasOwnProperty.call(self, i) &&
- call.call(cb, thisArg, self[i], i, self)) {
- return true;
- }
- }
- return false;
- };
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