The main method is as follows:Copy codeThe Code is as follows:. Data (key, value). Data (obj). Data (key). Data ()From jQuery 1.4.3, the data-attribute of HTML 5 will be automatically referenced to the data Object of jQuery.For example, HTML:Copy
JSON (JavaScript Object Notation) is a simple data format, which is lighter than xml. JSON is a JavaScript native format, which means that no special API or toolkit is required to process JSON data in JavaScript.JSON rules are simple: the object is
Copy codeThe Code is as follows: waterfall stream layout Code This is the title part of the text image height image height image height image height image height image height image height image height the position
We often use jquery to read background data and return data in the background. There are many background data formats, but there are no different types in js.
Therefore, when parsing background data, we need to handle and handle it according to
1. Implement using jQueryRotate. jsSample Code:Copy codeThe Code is as follows: Test results: the img object in chrome is normal, and the img object is still img object after rotation. The img object in ie8 is normal, but the img object becomes
When using forEach and other statements in js to form a loop class, the outer object is referenced, and the loop body is constantly assigned an attribute to this object, the final operation is the final value of this attribute after the loop. Eg:
JSON Definition
JSON (JavaScript Object Notation) is a lightweight data exchange format that is easy to read and write, and easy to parse and generate by machines. It is based on a subset of the JavaScript programming language in the ECMA262
Sometimes we need to know the date of yesterday, the day before yesterday, tomorrow or the day after tomorrow. The following program can achieve this requirement. It is not complicated at all, mainly because you are familiar with the use of the
JavaScript is a programming language based on objects. outputting the internal structure of JavaScript objects makes debugging easier. The following describes how to view the internal structure of an object so that you can view the attributes and
Program Demonstration:
Obtains the current window size of the browser. When the browser window size changes, the displayed value changes at any time.
The program mainly uses some properties of the Document Object about the window. The main
JavaScript is nothing more than introducing the script tag to the page. But when the project grows, N JavaScript codes are introduced to a single page. merging a single file reduces the number of requests, however, the requested file volume is large.
In traditional JavaScript development, DOM searching is often the first headache for developers. There are not many DOM selection methods provided by native JavaScript, but only through tag, name, id, and other methods to search, which is obviously
JavaScript countdown is widely used on the Web, such as common group buying and other things worth looking forward. Here are four examples, such as long countdown, hourly countdown, simplest countdown, and stopwatch.1. Relatively long
The Drag status is x: 0, y: 0 Drag me.Any directionHorizontal DirectionVerticalStop draggingEnable dragRestore initial status
Basic drag:
New Dragdrop ({target drag element HTMLElemnt required bridge: Specifies the drag start when the mouse is
Traditionally, string connection has always been one of the operations with the lowest performance in js.
var text="Hello";text+=" World!";
Early browsers did not optimize this operation. Because the string is immutable, this means that you need
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