JavaScript

Read Catalogue The first rule of javascript: Put the script at the bottom. The second law of javascript: Package scripts in groups. Zatan Try to use local variables to save global variables As little as possible to change

HTML5 expands the HTMLDocument,A new feature has been added. 1.document.readstate = ' Loading ' | | The ' complete '//readystate-enabled browser has ie4+, Firefox 3.6+, Safari, Chrome and opera + +. 2.document.compatmode = ' Css1compat ' | |

1. Define an empty parent class constructor, and then define the properties and methods for the parent class by prototype2. Define a constructor for an empty subclass, then bind the prototype of the subclass to an instance of the parent class, and

/** * JavaScript Object methods of 3 ways to recommend the third operating efficiency is best */function P (name, age) {this.name = name; this.age = age;//First Method this.show = function () {alert (this.name);} This.doing = doing; }//Another

JavaScript's Console.log () usage//variablesvar i = ' I am a string ';Console.log (' variable: ', i);Arrayvar arr = [1,2,3,4,5];Console.log (' array: ', arr);Objectvar obj1 = {Key1: ' value1 ',Key2: ' value2 ',Key3: ' Value3 '};var obj2 = {Key6: '

We know that JavaScript's date object does not provide a date format function. Converting a Date object to a format such as "2015-7-02 20:35:11" is another non-frequent requirement in the project. Recently in our project saw a piece of code, very

All the time, the concept of a callback function is very vague:The following is an introduction to the callback function in the JavaScript language pristine book, for example:1. Functions make it easier to handle discontinuous events. For example,

A Boolean judgment in the IF ()ifAn expression is forced to convert expression to a Boolean value through the ToBoolean method defined by ES5. Data type Conversion results Undefined False

Some concepts:Overload (Overload):What is: the same function name, a number of different parameter list functions, when called, according to the different parameters, automatically select the corresponding function call!Why: Lighten the burden of

Design PatternsDesign patterns are naming, abstracting, and identifying common design structures that are useful for reusable object-oriented design.Design patterns determine the classes and their entities, their roles and collaborations, and their

Window Event PropertiesEvents triggered for the Window object (applied to tags): Properties value Description Onafterprint Script A script that runs after the document is printed.

2. Common functions for Date objects2. Common functions for Date objects Date Object method Method Description Date () Returns the date and time of day. GetDate () Returns the day of the one

Objective Oop __proto__ and prototype/prototype chain/prototype properties and Prototyping methods/for-in loops in JavaScript's OOP 1 __proto__ and prototype/prototype chain 　　　 1. prototype (prototype of

What is CSS? CSS is short for Cascading Style Sheet. Form. It is a markup language used to (enhance) control webpage styles and allow separation of style information from webpage content. Using CSS styles can control many attributes that cannot be

Implement card effects [DIV + CSS3] and card divcss3 I. Text card Effect 1 2 3 meta 4 text card effect 5 21 22 23 cards 24 the box-shadow attribute is used to create paper style cards: 25 26 27 1 28 29 30 January 1, 2016 31 32 3

Css uses display: inline-block for layout, Display of css: inline-block Layout 1. Several commonly used display attribute values, inline, block, and inline-block Inline: Block: Inline-block: Figure 1:Figure 2: The two figures show that the

In BS, we have learned both xml, html, css, and js. At first, we cannot tell the differences and connections between the four. With the increase of knowledge, we have some experiences, the following is a brief introduction to the differences between

This article mainly explains in detail the complex javascript window sharding, what is the relationship between window sharding and frame windows in JavaScript. For more information, see What is window frame separation? Window Frame separation

Jquery. timelinr. js is a very cool jQuery timeline plug-in. The following is an example of how jQueryTimelinr achieves a Vertical Horizontal timeline plug-in. For more information, see jquery. timelinr. js, which is a very cool jQuery timeline plug-

This article mainly introduces the JavaScript class and style operations. If you need more information, you can directly paste the js Code. The specific code is as follows: Untitled documentP instance textChangeStyle ()Script function