web worker tutorial

Next, we will focus on worker role and web role. 1. What is role? Role can be understood as a deployment method. What we want to runProgramIn the final sense, it is necessary to run on the process. Our development programs are divided into Windows Service, web application, Silverlight, and so on, each of which has its own unique advantages and differences. Ho

As weall know, JavaScript is single-threaded , JS and UI updates share the same process in part because of frequent visits between them, but because the sharing of the same process will cause the JS code when the user clicks the interface element without any response to this situation, How could such a bad user experience HTML5 not be revised so that the Web worker was born.When the

As weall know, JavaScript is single-threaded , JS and UI updates share the same process in part because of frequent visits between them, but because the sharing of the same process will cause the JS code when the user clicks the interface element without any response to this situation, How could such a bad user experience HTML5 not be revised so that the Web worker was born.When the

HTML5 web worker, just like creating a new thread in java, creates an independent environment to run a program with a relatively large amount of computing. Currently, it is not very useful, however, it is estimated that it may be used in the future.The basic code is simple:[Html]Var worker = new Worker ('dowork. js ');

The concept of a worker thread (Web Workers) is presented in HTML5, the concept of multithreading, in which a number of computationally-intensive code can be handed over to the Web worker without freezing the user interface.The three major features of Web Workers:1) capable

* Web Worker* Basic Content* Single Thread and multithreading* Worker can simulate multi-threaded effects* Definition-JavaScript running in the background* Note-Cannot use DOM* Only use the ECMA in JavaScript in the worker* Current mainstream browsers support worker, except

Web worker is run in the background of the Javascript,javascript is single-threaded, when the need to handle the operation, such as complex sorting, the page will be stuck, this time the Web worker in the background to perform operations to return the results, This way, the main page will not appear on the phenomenon o

The concept of a worker thread (WEB workers) is proposed in HTML5, which is a multithreaded concept that allows a large number of calculated code to be run by web workers without freezing the user interface. The three major features of WEB workers: 1) able to run for a long time (response) 2 Ideal Start-up performance

Web Worker is an important API introduced by HTML5. It enables JavaScript that has been criticized for running in a single thread to have multithreading and Web Worker, developers can put some heavyweight and time-consuming computing tasks in another thread to run, so that multiple threads can run at the same time to m

object tag is loaded, the browser will parse the HTML and execute the script. this is intolerable. imagine. our current page is running well. suddenly, the music is played due to the pre-loading of a page. or execute the script for a page. we need to use link element (rel = "stylesheet") for Firefox. it ensures that HTML loading is not parsed. however, the link element is in Firefox. no onload, onerror. 1. But we need to load the current resource after Firefox parsing. we need to automatically

What is a Web Worker?When you execute a script in an HTML page, the state of the page is not responsive until the script is complete.Web Worker 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

Worker Main thread:1. Load a JS file with the worker = new Worker (URL) to create a worker and return a worker instance.2. Use the Worker.postmessage (data) method to send data to the worker.3. Bind the Worker.onmessage method to

A self object, which is the global object representing the worker in this scope. The translation of the Self object is unknown. 1 //Call the Invertimage method, this worker receives a message from the calling script.2 //The ' Self ' object contains the-Methods a Web worker can access apart from those it3 //def

1. Implemented with Web-worker: Another thread that will count the work running in the background of the JavaScript file and return the cumulative result.The JS file runs in the background, independent of other scripts, and does not affect the performance of the page. HTML pages can continue to do anything, while the Web work