JavaScript

There are four types of common animations:Linear: linear animation, that is, constant speedEaseIn: the speed is from small to large, that is, Fade in.EaseOut: The speed ranges from large to small, that is, fade out.EaseInOut: the start time is from

Copy codeThe Code is as follows: Var count = 0; // counterVar limit = new Array (); // used to record which menus are currently displayedVar countlimit = 1; // you can specify the number of menus that can be opened at the same time.Function expandIt

The query formValidator plug-in is very useful, but there is a serious Bug. When ajax verification is used, if the content of the input box already exists, place the cursor in the input box and leave without any modification, an error will be

The weather is getting colder, and people are getting lazy. They are getting more and more like watching novels or playing games in the warm bedroom, and haven't watched Three. js source code for a long time. The weather is good today. Let's take a

Requirement: Count the number of clicks at a certain part of the user page or the number of clicks executed to a certain point in the programFeatures: Create multiple Image objects based on the actual situation. The principle is "Who is idle and who

Method 1 Recently, when I was working on a web project, I encountered the function of passing parameters across pages, that is, to bring the content of the current page to a new subform. The previous method was to pass an id, then read the database

Copy codeThe Code is as follows: QQ online customer service code for websites that can be grouped between left and right sides online customer service online customer service online customer service online customer service

area -->Copy codeThe Code is as follows:ONCLICK = "too many open('index.htm', 'sample', 'toolbar = yes, location = no, directories = no, status = no, menubar = yes,Scrollbars = no, resizable = no, copyhistory = yes, width = 300, height = 200, left =

There are many blog posts about the differences between addEventListener and attachEvent, but most of them focus on Firefox chrome, and the latter only exists in the IE series.Recently, when I was writing an event proxy, I encountered a BUG and

When you move the mouse over an image thumbnail, a large image is displayed, which seems to be a common effect on the Internet and has many implementation methods, some people use CSS, some use JavaScript, and some use jQuery. In short, it is best

What is JSON? As mentioned above, JSON is a text-based data exchange method or a data description format. Whether to choose it or not, you must first pay attention to its advantages.Advantages of JSON:1. Based on plain text, cross-platform

Use Fiddler for monitoring. In IE6, the resource download sequence is as follows: Obviously, resources that appear first in the Document Stream are downloaded first from top to bottom. Similar to IE8, Safari, Chrome, and other browsers. Firefox

1.doc ument. formName. item ("itemName ")Description: You can use document. formName. item ("itemName") or document. formName. elements ["elementName"]; In Firefox, only document. formName. elements ["elementName"].Solution: Use document. formName.

1. Add brackets [] + []Brackets have no block clause, so the two brackets here are an array. To add two arrays (object types), convert them to value types (basic types ).1. to convert the value type, call valueOf, [] valueOf () or your own.Copy

Typeof is used to detect the Data Type of a given variable (also called Basic type, basic data type. Contains undefined, boolean, string, number, object, function)Var message = "so easy ";Alert (typeof message); // "string"Alert (typeof 12); //

CloneNode is a method on the HtmlElement prototype chain. It is used to create a copy of a specified dom node. It accepts a Boolean parameter include_all. If include_all is set to true, the copy carries all the child nodes of the specified

1. the right and right in JS Javascript is a computer programming language. It is also known as a dynamic language and a parsing programming language. Why is it a script? Because he cannot execute itself, that is, there is no main function or main

Var a = new Array ();If the definition is as follows: a [3] = "a"; alert (a. length) 4 is 1,If yes, but no value is assigned, an undefined (alert (a [0]) is returned.Create an array:Copy codeThe Code is as follows:Arr = []; // Yes, an air Bracket//

The bricks and tiles and cement are available, and the next step is to build the wall. In ECMAScript, the statement is the wall we need to build. The statement is the same as the operator. For people with a C background, it is no longer necessary.

1. Warning boxAlert ("text ").Ex. [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]2. confirmation box (confirm, return true or false) [Ctrl + A select all Note: If you need to