JavaScript

Town Field Poem:The Pure Heart sentiment wisdom language, does not have the world name and the benefit. Learn water under the hundred rivers, give up arrogant slow meaning.Learn to have a small return to feed root, willing to cast a conscience blog.

javascript: Browser Object-based event-driven scripting language consists of: Javascript:ecmascript (ES) DOM Document Object model BOM Browser object model, three componentsThree ways to use JS 1. HTML tags embedded Js: Point me!!! not recommended

first, the basic concept of DOM: The DOM is the Document Object model, which is a tree model; a document is a label document; An object is a document; A model refers to something that is abstracted.ii. Windows Object Operations: 1, properties and

Although I have been doing web site construction for more than 10 years, I've only been learning more about how to use pure JavaScript for work in the last 3 years, rather than always thinking about jquery in the first place. Now I study a lot of

there may be times in your application where you need to get content from the user library in order to perform related actions. If you want to get the content in a user library, you need to get to the user library first, get the user library can be

6 basic topics from Uncle Tom's blog: This is the 4th question- print the Fibonacci number using JavaScript (without global variables)Key to solving problems:1, the Law of Fibonacci series2. RecursionThe law of solving the 1:fibonacci sequence of

function explicit arguments (Parameters) and implicit arguments (Arguments)The function explicit parameters are listed when the function is defined.Function implicit arguments are passed to the function's true value when the function is

JavaScript functions define methods,function declarationIn the previous tutorial, you've learned about the syntax of function declarations:function functionname (parameters) { executed code}Function declarations are not executed immediately and

JavaScript prototypes:Each object initializes a property within it, which is prototype (prototype).Prototype chain:When we access the properties of an object, if the object does not exist inside this property, then he will go to prototype to find

Today, the main review of the "JavaScript Advanced program" function expression in this chapter, mainly their own closure and this concept or not clear, resulting in a small demo when this piece of the completion of ignorance, first do a knowledge

1.JavaScript is not related to Java, JavaScript is a (customer-side) scripting language and is an explanatory language.2. Ways to add JavaScript(1) Inline: via (2) Outreach: Through (3) Link to a JS file via UPL(4) Add JS code directly in the event

Type conversions in JavaScript can be classified as implicit type conversions and explicit type conversions. The dominant transformation is to change the data type directly in the code by means of the method. The common methods are

Why learn JavaScriptOne, you know, why is JavaScript so worthwhile for us to learn?1. JavaScript is supported by all major browsers .2. Currently, most Web pages worldwide use JavaScript.3. It allows Web pages to present a variety of dynamic effects

Loops and closuresFirst Look at a demoDOCTYPE HTML>HTMLLang= "en">Head> MetaCharSet= "UTF-8"> title>Documenttitle>Head>Body> Script> for(varI= 0; I 5; I++) {setTimeout (functiontimer () {console.log (i); }, I* +); }

Array Object Properties Method Description Concat () Joins two or more arrays and returns the result. Every () Detects whether each element of a numeric element meets the criteria.

JavaScript Document$ (document). Ready (function (e) {display the current date in a text boxvar date = new Date ();var Nian = Date.getfullyear ();var yue = date.getmonth () +1;var Tian = date.getdate ();$ ("#rq"). Val (nian+ "-" +yue+ "-" +tian

Waterfall flow is like a waterfall site-rich website content, especially beautiful pictures will make you linger. When you are browsing the site only need to gently swipe the mouse wheel, all the wonderful pictures can be presented in front of you.

Object literal JSONvar obj = {aaa:999};var json={"aaa": 999, "bbb": 888};"kay": valueObject literal 2?? The definition method and JSON are like, only a little different, the JSON key must be added "";object, An array can also be used as a key

Understanding CSS styles and css styles CSS is called "Cascading Style Sheet )"CSS code syntax Css styleSelectorAndStatementAndStatementAlsoAttributeAndValueAs shown in: Selector:It is also called a selector that specifies the elements in a webpage

Describes how to use the prefetch preload function of the rel attribute in HTML5, html5rel In HTML5, a very useful but often overlooked feature is prefetch. Its principle is:The browser's free time is used to download the content specified by the