javascript callback tutorial

Choose Item ",Items :[{Text: "JavaScript ",Value: "js ",Disabled: "1"},{Text: "Css ",Value: "css ",Disabled: "0"},{Text: "Html ",Value: "html ",Disabled: "0"}],Mode: "0", // the checkbox multi-choice mode is supported when the value is "1 ".Change: function (value ){// Put your code here}});ItemSelector. init ();SetTimeout (function (){Console. log (itemSelector. getCurrentValue (); // obtain the first selected item for test},2000 );　 "Var itemSelec

Javascript: site search script Example 1 (javascript), Javascript tutorial Script description:Step 1: Add the following code to the region

Javascript: site search script Example 3 (javascript), Javascript tutorial Script description:Step 1: Add the following codeRegion

Javascript: site search script Example 6 (javascript), Javascript tutorial Script description:Step 1: Add the following codeRegion

JavaScript: Flash and JavaScript Information Interaction, Javascript tutorial I have provided too little information on the Internet. I have studied it for a day or two and provided an example for your reference! Interaction between Flash and 3D information

Javascript: javascript enables word-based tag-based word search. Javascript tutorial The complete sample code is as follows: The following is a reference clip: Untitled Document document.body.onload=adddiv; document.onmousedown=recordobj; document.ondblcl

JavaScript: javaScript objects and attributes, Javascript tutorial 1. Create an empty object: var o = new object ();2. Quantity of directly created objects:Var cricle = {x: 0, y: 0, radius: 2}Var homer = {Name: "Homer Simpson ",Age: 34,Married: true,Email: zzy@163.com"}3. Set and query attributesVar book = new object (

JavaScript: javascript scope, Javascript tutorial

Basic Javascript Tutorial: switch statement. Basic Tutorial: switch The format of the stwith statement is generally as follows: Copy codeThe Code is as follows:Switch (expression ){Case value: statement1Break;Case value2: statement2Break;....Case value: statementBreak;Default: statement; If expression is equal to case, statament is executed. Keyword break: the co

This article mainly introduces the definition of the basic Javascript tutorial and relevant information about calling functions. For more information, see the function as a statement that can be run at any time. To put it simply, A function is a set of statements used to complete a function. It accepts 0 or multiple parameters. Basic Function syntaxAs follows: The Code is as follows: Function functionNam

Detailed description of argument in the basic Javascript tutorial, basic tutorial argument Argument is a special parameter of a function in javascript. For example,Use argument to access function parameters and determine whether the function is executed Copy codeThe Code is as follows: The length attribute of argument

I. Handling events (i)Events ( Event ) is the action that the user performs when the page is accessed. Submitting the form and moving the mouse over the image are two events. When a browser detects an event, such as a mouse click or keystroke, it can trigger the JavaScript object associated with the event, which is called the event handler ( EventHandler) or a listener. . 1. Set HTML tag properties as event handlers (avoid use)( 1 ) to directly JS c

This article mainly introduces the JavaScript plug-in development tutorial, which is very detailed, I. opening analysis Hi everyone! Today, this series of articles mainly talk about how to develop plug-in-type development based on "JavaScript". I think many people are familiar with the word "plug-in, Some people may be called "components" or "components". This i

Javascript: select all the checkbox columns of the datagrid client, invert selection, Javascript tutorial Simplest format: This is a clever method, but it is not universal. The premise is that this page has only one datagrid and only the datagrid has a checkbox. This is more convenient. The main idea is to search for the checkbox of the entire page and select all

Javascript: Sliding expansion and folding effects implemented by JS, Javascript tutorial You need to write a slide, expand, and collapse effect. You can find a post of the carefree script and make it be applied to FF with a slight modification. The Code is as follows: The following is a reference clip: // Url: http://bbs.51js.com/thread-6164

This article mainly introduces the local implementation tutorial of JavaScript + html5canvas. If you are interested in functions, refer to the html5 APIs that you have recently learned, I found that Sina Weibo's profile picture settings were implemented using canvas. In addition, I learned some time ago that the html5 File API uses the File API FileReader to upload files.

Basic Javascript tutorial-break and continue statements, basic tutorial-continue The break and continue statements provide stricter Process Control for code execution in the loop. The break statement can immediately exit the loop to prevent any code in the loop body from being executed again. The continue statement only exits the current loop and allows the next

Let's take a look at a simple JS basic Introductory Tutorial , the use of classes to create changes, such as Oh, JavaScript introductory tutorials, create, JS tutorials, Getting started, JavaScript instantiation

This article introduces how to set the amount style in javascript to retain two decimal places. The following is a good tutorial. The Code is as follows: // Convert the amount formatFunction parsePrice (s ){Var n = 2 // set the number of reserved decimal placesS = parseFloat (s + ""). replace (/[^ \ d \.-]/g, ""). toFixed (n) + "";Var l = s. split (".") [0]. split (""). reverse ();Var r = s. split (".

JavaScript Reference Tutorials This tutorial provides a more complete primer for readers who are not exposed to JavaScript, but is limited to the basics: all JavaScript closely related to dynamic Web pages is not mentioned in this tutorial, including dynamic positioning, an