JavaScript

Finally, take a closer look and read the official json document to find the following paragraph:JSON data is a structured data that can be easily parsed using JavaScript. If the obtained data file is stored on a remote server (the domain name is

Remove duplicate values in the js Array [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]Method 2Copy codeThe Code is as follows:// Deduplication ArrayFunction unique (data ){Data = data | [];Var

We can see that many websites process json data containing special characters on the Internet, and determine the special characters one by one, such as how to handle carriage return and how to process quotation marks. In fact there is a ready-made

Str. replace (/\-/g ,"! "), You can replace all matched characters (g is the global flag ).Replace ()The replace () method returns the string that results when you replace text matching its first argument(A regular expression) with the text of the

I have Dynamically Loaded image hot zones in the past few days. I used Ajax to obtain the area tag. Here there are multiple areas, which can be tested normally in IE8 and FF, and ie6. Later I found that the append method in jquery is not easy to

Let's first look at the phenomenon:Copy codeThe Code is as follows:$ (". Main"). append ("haha ");$ (". Main"). append ("xixi ");Alert ($ (". main" example .html ()); Result: hahaxixiEverything is normalChangeCopy codeThe Code is as follows:$ (".

Copy codeThe Code is as follows:/*** Half-lookup character position in the array (ordered list)* @ Param array the retrieved array* @ Param x the character to be searched* @ Type int* @ Returns: the position of the character in the array.-1 is not

Scenario:A hyperlink button exists on a page. You can click it to obtain the SMS verification code. For exampleCopy codeThe Code is as follows: get the SMS Verification Code However, considering the frequent clicks to obtain the authentication code

Copy codeThe Code is as follows:1. Get DataSet2. Convert to DataTable3.Public static string DataTableToJson (DataTable dt){StringBuilder jsonBuilder = new StringBuilder ();// JsonBuilder. Append ("{"); // output requirements do not require '}'//

Two divs.A div is fixed in width. Embed a div in the sub-div, which is a data column.Copy codeThe Code is as follows: data 2 data 2 data 2 data 2 data 2 data 2 move to the right move to left Style Sheet. Box {Float: left;Height: 93px;Width: 56

How to load the page before loading the advertisement:The order in which a webpage is opened is based on the order from top to bottom of the page. To make the advertisement do not affect the page opening speed, you must wait until all the pages are

1. Use aptana (IDE) when writing js, and there is a jquery code prompt. Select jqurey1.3 in code assist.2. When adding events to an element, do not add events to html. Add events to js.Do not write To be written as: document. getElementById ("id").

Supports beautification extension in any form (including custom images) and cross-browser support Allows you to scroll up and down with the mouse and down arrow buttons. You can scroll the scroll wheel in the "scroll bar area", but not only in

1. The () parentheses operator is usually used to call a function.Copy codeThe Code is as follows:// Fun1Function fun1 (){Alert ('I was called ');}Fun1 ()// Fun2 with ParametersFunction fun2 (param ){Alert (param );}Fun2 ('I was called ')After

10. Writing Methods of mootools. js The latest version of mootools. js is 1.2.3, Which is 1.2.0. Mootool is designed as a very compact, modular, and object-oriented js library. The Class is used for writing classes in mootool. The Class is new from

Function beginDrag (elementToDrag, event){Var = event. clientX-parseInt (elementToDrag. style. left );Var deltaY = event. clientY-parseInt (elementToDrag. style. top );// Here, deltaX/Y is actually the Coordinate Difference Between the mouse and the

GlobalStorageThis is also proposed in html5. After the browser is closed, the information stored in globalStorage can still be retained, and the storage capacity is much larger than that of userdata in IE. The storage capacity of a domain is 5120 kb.

First, give a good code: [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]The second option is also good. [Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to

Test the code first.Copy codeThe Code is as follows: Management System The following is the alert result.IE, FF, Chrome: 208Maxthon: 215 of the IE KernelIE kernel TheWorld: 217When the body is added with margin: 0; padding: 0, all values in IE, FF,

In fact, this book has been in my computer, but I have never read it carefully. I have never learned javascript very officially. I will go to the Internet to find some code when I use it occasionally. Let's change it and use it. I will learn it from