JavaScript

In an IF condition statement, a logical condition can only have one, and if there are multiple conditions, it can be resolved using nested IF statements, but this method increases the complexity of the program and reduces the readability of the

When talking about asynchronous programming, I will mainly from the following three aspects to summarize asynchronous programming ( Note: Special explanation: is summed up, I am also rookie, so summed up the bad, please Daniel a lot of forgiveness!)

Article Introduction: 4 ways of JavaScript asynchronous programming. As you may know, the execution environment for a JavaScript language is "single-threaded" (single thread). The so-called "single thread" means that only one task can

Javascript| Tips 1. oncontextmenu= "Window.event.returnvalue=false" will completely screen the right mouse button no available for table 2. deselect, prevent copying 3. onpaste= "return false" is not allowed to paste 4. oncopy= ' return false; '

In the basics of JavaScript programming, arrays are what we most often encounter, and some of the common methods of arrays are what we have to master, and here we summarize the methods commonly used in arrays . ToString () and valueof () methods

A function in JavaScript is a class that uses this to set the public member variables and methods of a class, such as: function MyClass (name) { var str = "private string"; Private field function Privatefn () {//private method alert

Scripts | transformations There is no doubt that JavaScript scripts allow you to easily display local time on a Web page by directly viewing the user's clock. But what if you want to show different areas of time —--for example, if your part is in

Article Introduction: Ajax and Web service data formats: XML SOAP HTML. When Ajax was created, it was meant to be: Asynchronous JavaScript and XML, asynchronous JavaScript and XML, which is generally the case: First create a

Build an AJAX-enabled search page using the RICO JavaScript Library, ColdFusion MX 7, and Windows Indexing Service A few months ago, I talked with some of my colleagues about the possibility of adding a search tool to an Intranet (as a wizard) and

Array creation in JavaScriptAn array is an ordered collection that contains an object or primitive type. It's hard to imagine what a program that doesn't use an array will look like.Here are a few ways to manipulate arrays: Initialize the

In JavaScript, we are often exposed to the 5 more special objects mentioned in the topic--false, 0, empty strings, null, and undefined. These objects are easy to use, so you have to be careful when you use them.Type detectionLet's come down and see

There is no doubt that JavaScript scripts allow you to easily display local time on a Web page by looking directly at the user's clock. But what if you want to show the time in different regions —--for example, if your part is in another country

Lottery system based on JavaScript and Lucky Draw using javascript Use JavaScript to implement a simple lottery system with the start and stop buttons. Function: -Click the start button to start the lottery. The prize name is displayed

Implement the drop-down menu items and form navigation bar (two menu items, one drop-down menu and login form navigation bar) based on Bootstrap, And the bootstrap drop-down menu As follows: The implementation code is as follows: navigation

Use Meteor with Node. js to compile a real-time chat application example, meteornode. js I often see Derby. the framework for js comparison is Meteor. js. similar to Derby, it can also update views in real time on multiple clients, although it may

When Netscape first developed the Mozilla browser, it was wise to decide to support W3C standards. Therefore, the legacy code of Mozilla, Netscape Navigator 4.x, and Microsoft Internet Explorer is not fully backward compatible.. Internet Explorer 4

This article mainly introduces the combined use of jQuery, Ajax and JSONP in JavaScript. the asynchronous structure of jQuery library and Ajax and JSON data transmission are also the most commonly used in JS routine programming, for more information,

To master JavaScript, first of all, we must discard the interference of some other advanced languages such as Java, C #, and other class-oriented Object-oriented thinking, fully understand the features of the original type of JavaScript

In this chapter, we also use Node. js creates a simple Web server. in the previous chapter, we introduced Node. js, a JavaScript Server Platform for Internet services, and Node. the js runtime environment has been set up and verified by two

When discussing the primitive data types in Javascript, most people know the basic knowledge, from String, Number to Boolean. These primitive types are quite simple and behavior is common sense. However, this article will focus more on the unique