JavaScript

This article illustrates the JavaScript implementation of a simple tab tab switch sample code, shared for everyone to refer to, the specific content as follows Effect Chart: Specific code: table switch < ; img src=

This article illustrates the JavaScript implementation of the random array of the acquisition of the detailed code, sharing for everyone to reference, the specific content as follows Effect Chart: Specific code: math.random method

Objective In this article, we will discuss more details that are directly related to the execution context. The subject of the discussion is the this keyword. Practice has proved that this topic is difficult, and the determination of this in

I. Definition Picture delay loading is also known as lazy loading, loading some pictures when the picture is delayed or meets certain conditions, and is usually used for pages with more pictures. You can reduce the number of requests or delay

JavaScript is a scripting language, so it is considered easy to learn by many people. On the contrary, however, JavaScript supports advanced features such as functional programming, closures, prototype inheritance, and so on. This article only picks

A. What is Object serialization? Object serialization refers to the conversion of the state of an object to a string (from my rookie's understanding, as some books say), plain and easy to understand! ）； Serialization (serialization) is the process

I. Definition Guarantees that a class has only one instance and provides a global access point to access it.When you click the login button, a landing floating window appears on the page, the Landing window is unique, no matter how many clicks the

For the lottery such a small program to use such as vb,delphi tools to achieve the convenience, because I do not install such an application machine, so can only find another way. In order for the lottery to be able to run directly on any machine

I. Definition The flyweight mode is a model for performance optimization, and the core is the use of shared technology to effectively support a large number of fine-scale objects.In JavaScript, browsers, especially mobile browsers, are not

The key of state mode is to distinguish the internal state of things, and the change of the internal state of things often brings about the behavior change of things. When the light is on, when the switch is pressed, the light will switch to the

This example describes the use of JavaScript motion frames. Share to everyone for your reference, specific as follows: The motion frame can realize arbitrary value motion of multiple objects The screenshot of the running effect is as follows:

In this paper, we illustrate the implementation of JavaScript multi object motion. Share to everyone for your reference, specific as follows: Notice here : the timer of each moving object is independent of the object's attribute, and the property

This article illustrates the effect of random color change based on JavaScript, and share it for everyone's reference, the details are as follows random color change effect /div> Another JS function to implement the random

This article has introduced a section of code from the network to the example, to be able to merge cells, the following to share with you, hope to be able to give more or less to the needs of friends to bring some help. The code instance is as

In practical applications, it is necessary to calculate the gap between the two time points, generally calculate the current time and a specified point of time between the gap, and sometimes need to be accurate to days, hours, minutes and seconds,

Pop-up layer effect is a very useful function, many sites have adopted this way to achieve login and registration, such as Baidu: Features of the pop-up layer: Click Login or Register in the middle part of the page pop-up a login or registration

In some scenarios, the page after the specified time, the page can automatically jump to the specified page, such as when the specified page can not be found, will display the previous set of 404 pages, and jump to the specified page, the following

This article mainly introduces several common JavaScript cross-domain communication methods. First, explain the JSONP. 1, JSONP JSONP (JSON with Padding) is a "usage pattern" of JSON that can be used to solve the problem of Cross-domain data

settimeout () and setinterval () can be used to create timers, whose basic usage is no longer introduced here. Here is a brief introduction to JavaScript code queues. No code in JavaScript is executed immediately and executes as soon as the process

This article illustrates the JavaScript implementation of the random array of the acquisition of the detailed code, sharing for everyone to reference, the specific content as follows Effect Chart: Specific code: math.random method