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Method 1: Use event bubbling to delegate to the parent node of the list for processing:Copy codeThe Code is as follows:Var ulObj = document. getElementById ("myUl ");UlObj. onclick = function (event ){Var tg = event.tar get;Var liArray = ulObj.

Ajax uploads a video with a progress bar asynchronously and extracts thumbnails. ajax progress bar Recently, I am working on a project that integrates rich media functions. You need to upload a video. Here, I want to make asynchronous uploads with

Basic =================================================== ======1. the most classic problem is the cache problem in ie. If get is used, a cache problem occurs in ie. The code is executed only once. The solution is to add a timestamp or random number

In js, the most common method for getting the decimal point and the two decimal points is the rounding function. I have previously introduced this common function in js, which is useful here, next let's take a look at some methods to sum up the two

* Ini_get (): gets the option value of the configuration file. This function is often used by many people to obtain the value of an option in the configuration file. If it is true, 1 is returned. If it is false, 0 is returned, and the string is

Here are the 2 types of Swift string interception methods that are actually used substringFromIndex , substringToIndexsubstringWithRange 1. will be String converted to NSString re-interception, the code is as follows: var s= "1234567890" var ns1= (s

This article mainly introduces how to dynamically add or delete URLs in Javascript, and how to add and remove URLs in JavaScript, if you are interested, you can refer to the examples in this article to describe how to dynamically add or delete URLs

This article mainly introduces the personal website's message page. The front-end uses jQuery to write and the backend uses php to read and write MySQL databases. If you are interested, refer to the following, on the personal website's message page,

The role of the framework is to simplify what we do, but it is flexible. Jquery is the mainstay of the js framework. It is flexible and powerful. Jquery encapsulates ajax perfectly, not to mention its powerful underlying ajax functions, but its

The CheckBox control is what we call a check box. It is usually used to enable or disable an option, for example, to process multiple products at a time, or to delete an article and remove a product from the shelf, A single vertex is obviously

Php configuration functions are several ini _ * functions, mainly for configuration file operations. In fact, there are four functions: ini_get, ini_set, ini_get_all, and ini_restore. The most useful ones are ini_set and ini_get.* Ini_get (): gets

Provides various official and user-released code examples and code reference. You are welcome to learn how to set up PHP. ini to make your PHP more secure. Address: http://www.jb100.net/html/content-22-1041-1.html Php is increasingly used!

Use of functions in the thinkphp3.0 template, not all variables can use the source of function variables: 1. Use assign to allocate the variables allocated from php. 2. system variables 3. path replacement variable Function variables cannot be

I have never paid attention to it before. I have heard from my colleagues today and I will check it out immediately. The configuration function of php is several ini _ * functions. it is important to control the configuration file. there are

Detailed description of safe_mode security mode configuration in php. There is a common mode and security mode in php. Currently, most data users directly use the php common mode of the application, because many functions have been configured in the

Several configuration file functions in php have never been noticed before. let's hear from my colleagues today and check out the functions. The configuration function of php is several ini _ * functions. it is important to control the configuration

(1) open the php Security mode. The php Security mode is a very important embedded security mechanism that can control some php functions, such as system (), at the same time, many File operation functions are subject to permission control... (1)

Security issues are an important part of programming languages. in almost any practical language, some functions and modules are provided, or other features that ensure security are manually installed in php. the default configuration file of php is/

In linux, how to use the sftp command sftp is an interactive file transfer program. It is similar to ftp, but it performs encrypted transmission, which is more secure than FTP. The following describes how to remotely connect to the host, upload and

Apache: 1. Modify the banner compilation source code and modify the default banner ServerTokens ProductOnly ServerSignature Off.Find ap_release.h in the apache source code package and change # define AP_SERVER_BASEPRODUCT "Apache" to # define