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x/lodash/sample.js

A modern JavaScript utility library delivering modularity, performance, & extras.
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define(['./_baseRandom', './isArrayLike', './values'], function(baseRandom, isArrayLike, values) {
/** Used as a safe reference for `undefined` in pre-ES5 environments. */ var undefined;
/** * Gets a random element from `collection`. * * @static * @memberOf _ * @since 2.0.0 * @category Collection * @param {Array|Object} collection The collection to sample. * @returns {*} Returns the random element. * @example * * _.sample([1, 2, 3, 4]); * // => 2 */ function sample(collection) { var array = isArrayLike(collection) ? collection : values(collection), length = array.length;
return length > 0 ? array[baseRandom(0, length - 1)] : undefined; }
return sample;});