Learning notes for defining and calling JavaScript Functions

You can use the function to define the function in js. Call the function name directly. If there is a parameter, you can directly use the parameter, next I will introduce you to the definition and call examples of JavaScript Functions. JavaScript

AJAX framework/library Comparison and Selection: ECHO2, GWT, DOJO, PROTOTYPE, JQUERY

Comparison and Selection of AJAX frameworks/Libraries: ECHO2, GWT, DOJO, PROTOTYPE, and JQUERY have read several AJAX Library/framework comparison articles in Chinese and English. For ease of use, the following is a special example:First, you must

Use javascript to implement QQ Customer Service Code

QQ customer service results are often seen on some websites. When the customer service personnel are online, QQ displayed on the webpage is online. When the customer service personnel are offline, QQ displayed on the webpage is offline, this is

You cannot upload rar files or zip other non-image files without components.

I encountered this problem when I used a component-less File Upload yesterday:There is no problem with uploading image files. Uploading rar, zip, wmv, and other non-image files will result in an error.The server is window2003.At first, I thought

Javascript to get Chinese Character length and extract Chinese character code

This article introduces how to obtain Chinese Character lengths and intercept Chinese Characters in Javascript. For more information, see. Obtain the length of a string containing Chinese Characters In actual development and application scenarios,

Javascript closes the current webpage code (compatible with all browsers)

In js, the most common method for closing a webpage is window. close () and window. the open () function is used in combination. Next I will introduce a variety of code for disabling web pages. 1. js code without any prompt to close the

Ie7/8 error: the object does not support the "trim" attribute or method.

When the trim attribute in jquery is used today,: $ ('input [type = \ 'text \ ']: eq (0 )'). val (). trim (), error in ie7/8: The object does not support the "trim" attribute or method. Next I will introduce the solution for you. Solution: Method 1:

Js random array string (random advertisement)

On a large portal website, we will see that the ads displayed for the first time are different. Next I will introduce you to the random array strings. In fact, the ads are almost random. Instance The Code is as follows: Copy code

Js checks the index value of an element in the array

There are a lot of functions that provide data in js, but I have not been able to implement the method I want for a long time, later, I found that you can use the indexOf function to find and locate the index values of array elements. For more

Js determines that the instance is Null and the string is Null.

In javascript, what are the differences between Null and Null strings? Let me introduce how to judge the differences between Null and Null strings. Recently, I suddenly found that my JavaScript code is bloated, so I began to study the simplified

Js to view the version code of the current Browser

To obtain the browser version, we can not only use the server script to determine the same, but also use js to obtain the browser version information. To obtain the browser version in js, we only need to use navigator, let's take a look at the

Listing all icons in css in js

A general configuration module has been developed recently. In the configuration module, you must configure system menus, function modules, and permission resources. icons are essential for a better user experience! There are more and more icons in

Confirm link validation JS Code, non-button Validation Method

LieHuo63.Net (lie09) teaches 45 steps to use the Confirm validation function in JavaScript to implement the link validation function. In the past, many people used the button confirmation function. A confirmation box is displayed, in fact, the

Select All and invert check boxes for Js implementations, and select tables in batches

Title: Select All and invert check boxes for Js implementations, and select tables in batches Purpose: A. Click the column header check box to select all or not select any subitemB. If one subitem is not selected, the column header is deselected.C.

Javascript dialog box (pop-up layer) component [Source Code]

  ArtDialog   ArtDialogIt is a lightweight and highly compatible javascript dialog box component that gives your webpage interaction a desktop software-like user experience. Demo address: http://www.planeart.cn/downs/artDialog/ Project home:

JavaScript Event Learning Chapter 4: traditional Event registration Model

In this chapter, I will explain the best way to register events for elements, that is, to ensure that a specific event occurs on a specific HTML element and can run a specific script. Registering events in the oldest JavaScript browser can only pass

JavaScript: isPrototypeOf and hasOwnProperty

1. isPrototypeOfIsPrototypeOf is used to determine whether the specified object object1 exists in the prototype chain of another object object2. If yes, true is returned; otherwise, false is returned.The format is as follows:Object1.isPrototypeOf

ExtJs Image Display Error

When I finish my work at the end of the year, there are not many tasks, and there is plenty of free time. I haven't written anything for a long time. I feel like I don't exist in this world, and my technology is being updated every day, we have to

Jquery ajax User Logon instance Summary

The ajax login method is simple. You only need to simply use jquery post to send data and then jump to the specified Page Based on the returned value or return the successful login information to the specified id. After the password and verification

JQuery example: About $. getJSON cross-origin Ajax Method

The tutorials on the Internet are provided with an example. I don't know where to use $. getJSON to implement cross-origin Ajax. After some time of "research", I will write down the results. Client: When $. getJSON () is used to transmit the first

Total Pages: 472 1 .... 132 133 134 135 136 .... 472 Go to: GO

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.