/// Copyright (c) 2012 Ecma International. All rights reserved. /// Ecma International makes this code available under the terms and conditions set /// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the /// "Use Terms"). Any redistribution of this code must retain the above /// copyright and this notice and otherwise comply with the Use Terms. /** * @path ch15/15.4/15.4.4/15.4.4.21/15.4.4.21-10-5.js * @description Array.prototype.reduce reduces the array in ascending order of indices(initialvalue present) */ function testcase() { function callbackfn(prevVal, curVal, idx, obj) { return prevVal + curVal; } var srcArr = ['1','2','3','4','5']; if(srcArr.reduce(callbackfn,'0') === '012345') { return true; } } runTestCase(testcase);