This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
'use strict'; | |
/*****************NATIVE forEACH*********************/ | |
Array.prototype.myEach = function(callback) { | |
for (var i = 0; i < this.length; i++) | |
callback(this[i], i, this); | |
}; | |
//tests |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function createAndInitialize2DArray(size) { | |
// catch a bug & fix me! | |
var defaultValue = 0; | |
var twoDimensionalArray = []; | |
function initOneDArray() { | |
var row = []; | |
for (var i = 0; i < size; i++) { | |
row.push(defaultValue); | |
} |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
function retry(isDone, next) { | |
var current_trial = 0, max_retry = 50, interval = 10, is_timeout = false; | |
var id = window.setInterval( | |
function() { | |
if (isDone()) { | |
window.clearInterval(id); | |
next(is_timeout); | |
} | |
if (current_trial++ > max_retry) { | |
window.clearInterval(id); |