JavaScript

JavaScript drop-down menu example sharingCss+js drop-down menuFull code:javascript drop-down menu-www.yuju100.com-statement net Column 1 Column 1-> menu 1 Column 1-> menu 2 Column 1-> menu 3 Column 1-> menu 4 Column 2 Column 2-> menu 1 Column 2->

Original: JavaScript regular expressions/g and/I and/gi meaningsregularexpression=/pattern/[Switch]This switch has three values G: Global match I: Ignore case GI: Global match + ignore case JScript Language Reference----------------------------------

Background:Currently, only native JavaScript is used for the project. For JavaScript event bindings, you should know the syntax:1, use the property call method in the label: 2. Bind the data to the tag object in javascript:var item =

If you want to read and understand it, you can read it a bit. If you only need the results, skip to the end of this article.There was a need to match the decimal type with a JavaScript regular expression, and then the previous writing was not fully

Pass the function as a parameter into another function. This function is called a callback function.It is often the case that A and B layers of a project are performed collaboratively by different people. A layer is responsible for the function FUNA,

The registration of callback functions is very common in JavaScript Web programming, for example to attach user interface Event handlers (such as onclick), or to provide a function to handle an XHR response. Registering an object method as a

Calculate the actual length of GBK and UTF8 strings implemented by JavaScript The main purpose is to match the length range of the database. For example, if a field in the GBK database is varchar (10), the length is equivalent to five Chinese

Arrow box and arrow box   Both the prompt box and the navigation bar can see the box with arrows shown in. This arrow can be implemented through the background image or css. This article introduces three types of prompt boxes with arrows through css.

Js jquery version of the thousands of bit Conversion Function (non-regular, extremely efficient) I didn't expect js to have no processing functions formatted in thousands of BITs (for example, 1,234.01). I searched the internet and processed them in

Use of jQuery Easy UI I. Preliminary understanding 1. What is jQuery Easy UI? JQuery Easy UI is a set of jQuery-based UI plug-ins. The goal of jQuery Easy UI is to help Web developers easily create a rich and beautiful UI interface. Official Website

Use arguments in JavaScript to obtain the number of parameters passed by the function. JavaScript and PHP are a little different in parameter passing through functions. PHP is used to match the number of real parameters, while JS is much more

JQuery focus chart switching Simple plug-in production process full record, jquery full record The home page often requires a focus chart switching effect, and the recently created projects are also needed. So I searched online and found a plug-in

Js deletes duplicate elements in the array and retains one (two implementation ideas). js Array For example, var student = ['qiang ', 'ming', 'Tao', 'lil', 'liang', 'you', 'qiang ', 'Tao']; The first approach is:Traverse the array arr to be deleted

Js obtains the input length and sets the size and center Alignment Based on the page width. The input center alignment 1. js get the page width and height and screen resolution Visible area width: document. body. clientWidth: the visible area of the

Wonderful HTML nesting rules and wonderful HTML nesting rules I. HTML tags include block and inline elements) 1. Block-level elements It is generally used to build the website architecture, layout, and carry content ...... It includes the following

Get URL parameters through jquery and perform transcoding. jqueryurl Jquery obtains URL parameters and transcodes them. First, it constructs a regular expression object containing the target parameters, matches the target parameters, and returns the

JQuery time formatting plug-in-extended JQuery (Function ($) {$. formatDate = function (pattern, date) {// if not set, the default value is the current time if (! Date) date = new Date (); if (typeof (date) = "string") {if (date = "") date = new

Js checks whether the image is loaded and implements pre-download of the image Create an Image object to pre-download the Image. If the Image already exists in the browser cache, directly call the callback function and use the onload event to

How does js determine whether the flash swf file has been loaded, How does js determine whether flash has been loaded? How can we call back a set js function when flash is loaded? This problem has been bothering me for a long time. Until today,

Use javascript to read xml files and read node data. javascriptxml The following code reads the node data, and read the node attribute data. Javascript reads xml files Don't use childNodes [x] to retrieve it. It will make you dizzy