"Turn" advanced Front end 3.6 JavaScript multithreaded--concurrent.thread.js, webwork

Original link: http://www.cnblogs.com/woodk/articles/5199536.html

JavaScript multi-threading, before the HTML5 webwork not appear many people are using concurrentthread.js analog multithreading.

Often, we also use setinterval and settimeout to simulate multithreading.

Introduction to the concept of multithreading

The browser event triggers the thread, and the ajax,settimeout,setinterval is placed in the back of the program pool.

Concurrent.Thread.js

Concurrent.Thread.js, a Japanese-developed package for JavaScript to be multithreaded, allows us to use the front-end to simulate multi-threading for time-consuming tasks.

: http://download.csdn.net/download/include_define/796952

Tutorial Document: http://www.cnblogs.com/0banana0/archive/2011/06/01/2067402.html

Let's try it here:

 1 <! DOCTYPE html> 2 
Can be found that the div can be printed in the normal response to the time, very cow broke a library ~ ~
WebWork
WebWork is a JavaScript running in the background, independent of other scripts, without affecting the performance of the page. You can continue to do anything you want to do: Click, select Content, and so on, while the Web worker runs in the background.
Note:the DOM cannot be manipulated asynchronously! WebWork cannot be used locally
HTML5 WebWork method of Use : http://www.cnblogs.com/yxlblogs/p/3896786.html
Webwork.html
<! DOCTYPE html>
Task.js
OnMessage = function (event) {    var num = event.data;    var result = 0;    for (var i = 0; i < num; i++) {        result + = i;        Console.log (result);    }    Creates a feed back message to the thread    postMessage (result);}

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"Turn" advanced Front end 3.6 JavaScript multithreaded--concurrent.thread.js, webwork