JavaScript

  Looking at the new JavaScript design model bought by Dangdang a year ago (translated by Rose Harmes, Dustin Diaz, Xie tingsheng, published by People's post and telecommunications Publishing House ), the author gave a detailed explanation of the

Previously, the mass Framework had three different levels of template functions for processing String concatenation: format, tag, and ejs. Now another new type is added, but it only applies to backend nodes. js environment (because in the browser

JS pass valueThe parent page dialog box is displayed. If you pass a value, the get method is usually used to pass the value, that is, the spelling parameter string. parameters are passed through the URL.This method has the following problems (only

You can use JavaScript to hide controls by setting the "display" and "visibility" attributes of the style. When style. display = "block" or style. visibility = "visible" when the Controller or see, when style. display = "none" or style. visibility =

  Method Return type Description NodeName String Node name NodeValue String Node Value NodeType Number Type constant value of a node FirstChild Node Point to the first node

Create an Array object// OneVar aValues = new Array (); // TwoVar aValues = new Array (20 ); // ThreeVar aColors = new Array ();AColors [0] = "red ";AColors [1] = "green ";AColors [2] = "blue "; // FourVar aColors = new Array ("red", "green", "blue "

The correct method is to correctly use the Selection object and Range object to insert text or nodes at the current position of the cursor. However, these two objects use different methods in IE and standard DOM. Idea: first obtain the user's

For those who want to improve javascript technology, closures are often mysterious. Some people said earlier that closures in javaScript may cause javaScript Memory Management complexity and may cause memory leakage. Therefore, we do not recommend

Js implements page window jitter, which is very similar to QQ. It's easy to give it a try. Just a few codes.  untitled document From the column by Liu haicao

Let's first come to a final implementation: Main Implementation ideas: Use the JavaScript built-in object Date to get the current system time, and use the DOM method setInterval (code, time) to achieve real-time refresh.1. A simple Html page1: 2: 3:

I. jQuery. ajax syntax BasicsJQuery. ajax ([options])Overview: Load remote data using HTTP requests.JQuery underlying AJAX implementation. For easy-to-use high-level implementation, see $. get, $. post, and so on. $. Ajax () returns the created

1. Relationships between functions (constructors), prototypes, and instance objects A. Relationship between functions and prototypes 1. Once a function is created, it creates a prototype attribute (prototype object) for the function based on a

PrefaceI have always liked to collect special webpage effects. In many cases, CSS is compressed, which is inconvenient to view. Sometimes, to reduce the file size, it will also compress its own CSS. There are a lot of such services available on the

Loading javascript without blocking has a great effect on page performance optimization, which can effectively reduce the blocking of page loading by js. Especially for some advertisement js files, because the advertisement content may be rich media,

1. Preface This is based on some online materials re-compiled, mainly as a small accumulation of their own use, the original purpose is to make the page automatically Jump within the specified period of time, requests outside of the time range are

The Array object in js is a dynamic Array and does not need to specify the size in advance.[Javascript]1. var names = new Array ();2. names [0] = "tomy ";3. names [1] = "jerry ";4. names [2] = "lily ";5. for (var I = 0; I 6. alert (names [I]);7

// Jquery implements the accordion Effect accordion   first Lorem ipsum dolor sit amet. second Phasellus mattis tincidunt nibh. third youyou  From xweina's column 

Regular Expressions are an extremely powerful way to verify and format text strings. By using regular expressions, you can use one or two lines of JavaScript code to complete complex tasks that originally required dozens of lines of code.A regular

Although javascript does not support inheritance directly by using keywords or symbols, we can also implement inheritance in some bad ways.Method 1:Function Base (word ){This. say = function (){Return word;}This. word = word;} Function Sub (word

Simple idea: Use the scroll bars of the DIV and DIV to control the scrolling of the content. the scroll bar style of the DIV can be overwritten by the DIV layer.JQuery calculates the length and position of a scroll bar. The Code is as