JavaScript

In this article, phpjquery and mysql are combined to enable online photo upload and browsing for the web version. We will share with you how to take photos online and browse photos online based on jQuery + PHP + Mysql, for more information about how

This article mainly introduces jQuery's method of implementing multi-level drop-down menu jDropMenu, which involves jquery mouse events and page element traversal related techniques and is very useful, for more information about how to implement the

This article mainly introduces jQuery's countdown function for sending verification codes for Mobile Phone registration. We recommend this function to you. If you need it, you can refer to it. This is a jquery-based code for countdown to

A file upload effect with a progress bar. Each file has a progress bar and upload details. The results are very good. We recommend it to you here. The upload progress bar is usually implemented by jquery and the backend Script script. Today we will

This article mainly introduces the implementation of javascript parent-child page communication. The example analyzes the principle and related implementation skills of javascript for parent-child page communication, which has some reference value,

This article mainly introduces how to use javascript to obtain the youtube key from a connection, and involves related techniques for javascript string operations, for more information about how to obtain the youtube key from a connection, see the

This article mainly introduces the implementation of the javascript background clock, involving the related operation skills of the javascript time and page element style. If you need it, refer to the example below to describe how to implement the

This article mainly introduces Math for processing tangent in JavaScript. the tan () method is the basic knowledge in JS beginners. If you need it, you can refer to this method to return the tangent of a number. The tan method returns the tangent of

This article mainly introduces the use of the Math. abs () method in JavaScript, which is the basic knowledge in JS beginners. If you need it, you can refer to this method to return the absolute value of a number. Syntax Math. abs (x ); The

This article mainly introduces how to use the NaN value in JavaScript, which is the basic knowledge in JS learning, A friend may refer to the literal constant NaN without quotation marks as a special value, indicating that it is not a non-number.

The js parser does not treat function declarations and function expressions equally. For function declaration, the js parser reads the statements first to ensure that the Declaration has been parsed before all code is executed, and the function

This article mainly introduces several functions abandoned by jQuery and their substitution functions. We must pay attention to them during project development and share them with you for your reference. Earlier in order to better browser

This article mainly introduces how JavaScript implements the game process analysis and source code sharing in Tetris. This article breaks down the game rules, implementation processes, difficulties Analysis and Implementation source code, for more

This article describes how to use JavaScript to calculate the most frequently occurring characters and the number of occurrences of strings. This article provides the implementation code, for more information, see "calculate the maximum number of

This article mainly summarizes several common methods for disabling right-click and mouse drag on the webpage. It is very practical and can be used as a reference by a small partner. 1. Right-click prohibited menu: There are two ways to disable

This article mainly introduces how to clone objects in javascript. If you need a friend, you can refer to the reference relationship between objects under development and interrupt them, but only the next copy is everywhere, it is inevitable to

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

This article mainly introduces 20 practical JavaScript skills. This article describes the coding skills and best practices summarized in development. For more information, see, javaScript is a very popular programming language. developers can use it

The above section describes how to create a page using node + express + ejs. Today, let's take a look at how to create a simple website using node + express + jade. This article records the entire building process, for more information, see 1.

This article mainly introduces index arrays, associated arrays, static arrays, and dynamic arrays in JavaScript, this article describes how to classify an array into an index array, an associated array, a static array and a dynamic array based on