JavaScript

javascript class First: Create an instance of the object class (not recommended) Second: Custom Class (available) Third: Prototype-based prototype (recommended) JavaScript, object-oriented development, I am afraid, has become a trend, after the

Because of the limitation of homologous policy, JavaScript cross-domain problem has always been a tricky problem, in order to solve the cross-domain communication between pages, we have painstakingly researched various cross-domain schemes. Before

JQuery method source code analysis-jQuery ($) method (1)JQuery method source code analysis-jQuery ($) Method Note:1. The Code analyzed in this article is jQuery.1.11.1. Download the uncompressed version on the official website.2. indicate the source

Js determines whether the browser supports html5, js judges the browser html5 Now HTML5 seems to be getting increasingly popular. Some front-end experts will add code that judges the browser on the client to the webpage to check whether the browser

The difference between $ and jquery and $ () in jQuery Anyone who has used jquery knows that jquery has two usage methods: $ and jQuery. What is the difference between the two methods? The answer is that there is no difference between the two

Example of using jquery to operate HTML5 data-*, jqueryhtml5 After reading the HTML5 detailed specifications, you will find that the usage of this custom data attribute is very simple, that is, you can add any attribute starting with "data-" to the

Download attachments using java and javascript In web development, you often need to develop the "Download" module. The following is a simple example. On the server side, use java for development: @RequestMapping(value = "download.html", method =

Javascript mouse controls object scrolling Try the mouseWheel Top call method mScrollerBox ({ScrollFor, Mode, maxSpeed }); ScrollFor: Specifies the Object rolling Object (* required) Mode: String scroll Mode-x: horizontal, y: vertical

Format a date in js Date. prototype. format = function (fmt) {// author: meizz var o = {"M +": this. getMonth () + 1, // month "d +": this. getDate (), // Day "h +": this. getHours (), // Hour "m +": this. getMinutes (), // minute "s +": this.

Front-end performance optimization based on GruntJS This article mainly describes how to use GruntJS for simple automatic processing of front-end performance optimization. I have written a complete example on Github for reference. For more

JQuery/CSS3 implement image cascade and expand special effectsHTML code: copy the Code copies the code to list the small images to be used. The HTML structure is very simple. The next step is CSS, which is a little more complex,

Detailed description of event-driven programming in Node. js and node. js In the traditional programming model, I/O operations are like a common local function call: The program is blocked before the function is executed and cannot continue to run.

7 practical CSS3 tutorials for Web developers, developer css3 CSS is used to create fine and complex effects, which has become the future trend of Web Front-end development. Designers around the world think that CSS3 is a very promising technology

Extract from a string using javascript Question: A string is composed of ijige sentences. One sentence has a project list, which starts with a colon (:) and ends with a sentence (.), how can we extract this list? Solution: Use the indexof + String

Jquery time formatting plug-in Plug-in code: (Function ($) {$. formatDate = function (pattern, date) {// if not set, the default value is the current time if (! Date) date = new Date (); if (typeof (date) = "string") {if (date = "") date = new

Js Inheritance Issues Let's talk about inheritance today. In the past, js inheritance always gave me a headache. Now I finally figured out what inheritance is. Let's take a simple example: Method 1: Function createPerson (name, age) { This. name =

Javascript event bubbling1 event On the browser client application platform, events are basically triggered, that is, an event occurs, and then corresponding actions are taken. Browser events indicate the signal of some events. The description of

Read javascript advanced programming 11-EventsEvent stream refers to the order in which events are received from the page. 1. The event stream used in event bubbling (commonly used) IE is event bubbling. It is first received from the specific

Common configuration methods for ExtJs4New Ext. viewport ({layout: "border", renderTo: Ext. getBody (), defaults: {bodyStyle: "background-color: # FFFFFF;", frame: true}, // If split is true, the upper, lower, and lower sides of the image can be

JS traversal Json string key-value pairs are converted into JSON objects and then traversed, jsjson 1. convert a Json string to a JSON object var t='{"firstName": "cyra", "lastName": "richardson"}'; var obj = eval('(' + t + ')'); 2. traverse and