sencha js

This article mainly introduces the asynchronous programming practices of when. js under node. js. If you need it, you can refer to the following assumptions for a business scenario: Get and save the rss feed to a file through the rss address, and save the rss address to the file. To complete the business in this scenario, you need to complete three tasks: 1. Read the rss address from the file. 2. Get rss.

This article mainly introduces. the Redis method is used in js applications, and the simplest data read/write operations are related. If you need it, please ensure that Redis and Node are installed before you start this article. js and Node. redis extension of js -- node_redis First, create a new folder and create a text file app.

JavaScript does not have the concept of classes, and class-related inheritance is even more difficult to talk about. However, we can use special syntax to simulate inheritance in object-oriented languages. JS inheritance JavaScript does not have the concept of classes, and the concept of class-related inheritance is even more difficult to talk about, but we can use special syntax Simulate inheritance in the object-oriented language. There are multipl

Why is Node. js so popular? Why is Node. js popular? Why is node. js popular? Node. js is a server technology used to build and run Web applications, which is similar to the work done by ASP. NET, Ruby on Rails or Spring framework. It uses JavaScript as the main development language. It has a lightweight Web server and

First, prefaceCompared to JS this direct end, full of thorny path, jquery is undoubtedly a broad road, enough concise, easy-to-use gave it a glorious position. However, after all, is a plug-in around the road, when the path to walk to become a road, the road has lost his own advantage.Native JS is not as good as jquery, convenient, or not so easy for us to use as jquery, or even a dependency that cannot be

Always use consistent naming rules based on classes, namespaces, and file names in your code, which helps keep your code organized, structured, and readable.1) Class A class name can only contain letters, numbers, and numbers. In most cases, they are not allowed unless they belong to a technical term. Do not use underscores, hyphens, or any other non-alphanumeric characters. For example:MyCompany. useful_util.Debug_Toolbar is not allowedMyCompany. util. Base64 is acceptableThe class name should

Jquery-1.4.2.min.js is optimized, and query-1.4.2.js is easy to develop and read, detailed Xiangxiang read this article, hope to help you just began to contact JQuery, download the file including jquery. vsdoc. js, jquery. min. js and jquery. js is not very clear about the role of each file and the package to be introd

First contact with JS require. js modular tool, jsrequire. js As Website Functions become more and more abundant, Javascript in Web pages become more and more complicated and bloated. The original method of importing js files through script tags cannot meet the current Internet development mode, we need a series of com

JS using Ajax loading JS, display loading progress, in strict accordance with the sequence of JS loaded into the page,Do mobile phone development, found a problem, some browsers, in the case of slow network speed, JS file is not loaded, subsequent calls have begun to call, resulting in an error.Later use of this method

In front-end development, we can't help but use read/write cookies and dynamically introduce js scripts and other related operations. How can we achieve this? See the following js functions: [javascript] varJsHelper {CreateJS: function (url) {varhdocument. getElementsByTagName... Synt In front-end development, we can't help but use read/write cookies and dynamically introduce