JavaScript implements drag-and-drop effects on PC Web pages _javascript skills

A few years ago, I was involved in the design and development of a real estate network project, I am responsible for the front-end work, because the project manager requirements are relatively high, reference to a lot of real estate sites more

Some practical JavaScript on GitHub file Compression decompression Library recommendation _javascript Tips

Project to use archive and unarchive the entire existing folder, in the search for solutions to try some of the current more popular library, mainly Adm-zip, Jszip, archiver and so on. A. Use Adm-zipAdm-zip supports archive and unarchive the

Implement tab tab switch based on JavaScript _javascript tips for special effects debugging notes

This article examples for everyone to analyze the JavaScript implementation tab tab switch debugging notes, for your reference, the specific contents are as follows When you make a navigation bar, clicking on the navigation bar element produces a

Implementation of style and freshness based on JavaScript _javascript techniques for carousel effects

The example of this article for everyone to share the JavaScript implementation of the picture carousel effect, for your reference, the specific content as follows First, the realization effect As shown above: 1, the picture automatically

Analysis of JavaScript waterfall flow principle to realize _javascript technique of picture scrolling loading

Let's go to the popular science waterfall stream Waterfall Flow , also known as Waterfall flow layout. is a more popular Web page layout, visual representation of the uneven layout of multiple columns, as the page scroll down, this layout will

_javascript technique of micro-letter chat panel based on JavaScript

Examples of this article share the JavaScript production of micro-letter chat panel related code, the details are as follows Let's figure it out first. Click on the avatar to replace the Speaker object, simple to say the implementation of the

JavaScript file fragment upload _javascript tips

Html JS method var filesplitsize = 1024 * 1024; var start=0,end=0; var i=0; File segment upload function chunk_upload (button) {var xmlhttp = new XMLHttpRequest (); Xmlhttp.open ("POST", "/chunk_upload/upload/" ,

JavaScript basic algorithm Rollup _javascript tips

This article for everyone to share five JavaScript algorithms for your reference, the specific contents are as follows 1. Linear Search linear lookup array for:[2,4,6,23,53,545,65,3,24,5,3,6] Enter the value to search for: This

JavaScript array to redo the _javascript tips

Objective Recently in order to change the job, prepare for the interview, began to review the knowledge of JavaScript, yesterday afternoon thought of the array to weight related methods, simply sorted out a few JavaScript algorithm articles, for

On the skills of call, apply and bind_javascript in JavaScript

In JavaScript, call, apply, and bind are the three methods of a function object, and the main effect of these three methods is to change the this point in the functions so that the ' move to the flower ' effect can be achieved. This article will

Three types of asynchronous uploading files in JavaScript _javascript tips

The asynchronous upload file is for a better user experience and a skill that must be mastered by each front-end. Here I present three points about how to upload an asynchronous file. Use third party controls, such as Flash,activex browser plug-ins

JavaScript implicit type conversion _javascript tips

The data type of JavaScript is very weak (otherwise it will not be called a weak-type language)! When using arithmetic operators, the data types on either side of the operator can be arbitrary, for example, a string can be added to a number. The

JavaScript Mobile Development Touches touch event detailed _javascript skills

Event objects are objects that are used to record information about events as they occur. Event objects are only generated when an event occurs, and can only be accessed internally by an event handler, and the event object is destroyed after all

Display current time and countdown function based on JavaScript _javascript tips

Self-practice, by the way to share a piece of JS native code.The Date object is used to process dates and times.Date () Returns the day and time.GetDate () returns one day of one months (1 ~ 31) from the Date object.Getday () returns one day of the

Form validation for JavaScript-initial recognition of regular expression _javascript techniques

Recommended reading: JavaScript form verification length JavaScript Form validation-Submitting a form JavaScript form Validation-uncovering the veil of the regular expression JavaScript can be used to validate these input data in an HTML form

JavaScript form Validation-Submitting Forms _javascript Tips

Recommended reading: JavaScript form verification length JavaScript form Validation-the first recognition of regular expressions JavaScript form Validation-uncovering the veil of the regular expression JavaScript can be used to validate these

Deep understanding of memory leak _javascript techniques in JavaScript programs

Garbage collection frees us and allows us to focus on application logic rather than memory management. However, garbage collection is not magical. Understand how it works, and how to keep it in memory that was supposed to have been released long ago,

JavaScript Learning Notes creating objects _javascript tips

JavaScript has a date, Array, string, such as the built-in objects, powerful use simple, people love, but in dealing with some complex logic, the built-in object is very weak, often need to customize the developer object. An object is a collection

JavaScript Primer Series Knowledge points Summary _javascript tips

JavaScript is a literal translation script language, a dynamic type, a weak type, a prototype based language, and a built-in support type. Its interpreter, known as the JavaScript engine, is widely used as a scripting language for clients, and is

JavaScript Mastering Web-dom_javascript Tips

First, the full name of the DOM Document Object Model Second, what is DOM DOM is a programming interface, which is a set of APIs.Dom is a set of APIs for documents such as HTML documents, XML, and so on. Just like JDBC is a set of APIs for a

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