JavaScript

jquery is so powerful that I decided to imitate jquery to build a wheel and learn how jquery is using various techniques to achieve those very powerful functions, while making wheels. Since I was imitating jQuery, I decided to name the new framework

Exception capture1. AbnormalWhen the JavaScript engine executes the JavaScript code, an error occurs, causing the program to stop running2. Exception throwsWhen an exception is generated and the exception is generated with an error message3.

First, create the object1.1 Initializervar any={name:"Some", age:ten, action:function() { alert ( this. name+ ":" +this. age);};1.2 Construction methodsfunction Some (name,age) {this. name=name; this. age= age; this. action=function() { alert

From the network!function GetCookie (name) { var start = document.cookie.indexOf (name + "="); var len = start + name.length + 1; if ((!start) && (name! = document.cookie.substring (0, Name.length))) { return null; } if (start = =

Push (): Deletes the first element of the array, returning the deleted value. This is 0 .Pop (): Deletes the last element of the array, returning the deleted valueShift (): Deletes the first element of the array, returning the deleted valueUnshift (

Code:1 varVal1=0;2 varVal2=0;3 varVal3=0;4 5 for(vari1=1;i1){6 varI2=I1;7(function(){8 vari3=I2;9SetTimeout (function(){Tenval1+=I1; Oneval2+=I2; Aval3+=i3; -},1); - })(); the } - -SetTimeout (function(){ - Console.log (val1); +

JavaScript custom events , which are essentially observer patterns (also known as subscription/release patterns), have the advantage of isolating bound events and triggering events from one another and dynamically adding and deleting events.The

JavaScript Events Detailed notes:I. Flow of events1. Event Flow:Describes the order in which events are accepted in the page, event bubbling, event capture, two.2. Event bubbling:The nodes (documents) that are received by the most specific element

Details on js class inheritance and original type inheritance, and details on js prototype inheritance This article provides examples of js class inheritance and original class inheritance code for your reference. The details are as follows: 1. js

The javascript advanced selector querySelector and querySelectorAll are fully parsed. The selector The querySelector and querySelectorAll methods are defined in the W3C Selectors API specification. Their role is to easily locate specified elements

JQuery implements click water ripple fluctuation animation and jquery ripple JQuery click the water pattern fluctuation animation principle: 1. Add 2. The Code locates the cursor relative to the label and draws a circle around the center of the

Introduction to implementation of blinds by native js, and implementation of blinds by js We have seen blinds! : Principle: The hollow lattice is like setting relative positioning attribute for each li, setting overflow: hidden, black block as li

More efficient use of JQuery here summarizes eight tips, more efficient jquery 1. DOM traversal is expensive and variables are cached. Copy codeThe Code is as follows:// Not recommendedVar h = $ ('# ele'). height ();Detail ('{ele'}.css ('height', h-2

CSS values and units of Web Front-End notes, and css of web Front-end newcomersNumber Color-named color In Css2.1, 17 color names are defined. Including 16 colors and an orange color defined in

Front-end practical Demo: a single picture takes a one-page layout, practical demo For front-end programmers, it is necessary to cut a graph based on their needs after taking the design drawings and materials from the designer's hands. However,

Without using border-radius, You can implement a reusable rounded rectangle with adaptive height and width, and a border-radius rounded corner. Currently, css3 supports rounded rectangle, but it is difficult to solve compatibility issues, but it is

Explain Promise in the big vernacular of JavaScript Item34 that you don't know ES2015 was officially released in February last June (ES6, ES6 is its milk name), where Promise is listed as a formal specification. As one of the most important features

Research on Block Layout and LayoutProblems with nested elements such as p and div in div Http://caiceclb.iteye.com/blog/428085 Some Problems in this article may not be suitable for today. If you are learning the front-end, you cannot ignore small

Css positioning, css relative positioning I. Overview 1. default file stream Location Method (1) by default, HTML documents are located in stream mode, that is, content elements are located up and down in order; (2 ). HTML Tag elements are divided

Green simple school login html page, login html page Effect preview: http://hovertree.com/texiao/css/22/The Code is as follows: green and simple School Management System login Page html template _ what to ask Why do you want to ask about