ut2/lib/some.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

var forEach = require('./forEach.js');
var identity = require('./identity.js');

var some = function (collection, predicate) {
    if (predicate === void 0) { predicate = identity; }
    var result = false;
    forEach(collection, function (item, index, arr) {
        if (predicate(item, index, arr)) {
            result = true;
            return false;
        }
    });
    return result;
};

module.exports = some;