javascript tips

In js, objects with numeric attribute names are converted into arrays. Although not commonly used, we can indeed add attributes with numbers as attribute names to objects, although they are not commonly used, however, we can add the attribute named "

Determine whether the user is online Code. For more information, see. Consider two situations: (1) The user closes the browser or redirects to another webpage The Code is as follows:

23 Javascript pop-up window effects. For more information, see. 1. Lightview Lightview is developed based on Prototype and Script. aculo. us. It is used to create a mode dialog box that can overwrite the entire page. The displayed content can be

FastestwaytobuildanHTMLstringPostedinCodeSnippets, JavaScriptbyJamesonMay29th, 2009 Fastest way to build an HTML stringPosted in 'Code Snippets, JavaScript 'by James on May 29th, 2009 Original article:

Share the function code of loading external javascript files dynamically, and make a record for easy searching. The Code is as follows: (Function (clover ){Clover. loadScript = function loadScript (url, callback ){Var heads = document.

Js to determine whether the text box is empty. For more information, see. The Code is as follows: // The user name is not empty for verificationFunction checkUserName (){Var name = document.myform.txt User; // here I think: name represents the

My colleague raised a question: How can I obtain the current file name in the JavaScript file dynamically inserted in the browser? Background My colleague raised a question: How can I obtain the current file name in the JavaScript file dynamically

The variable scope is the region in the program that defines this variable. First, paste a piece of code. If you are not confused about the output of the code, you do not need to read it below. The Code is as follows: /* Code 1 */Var scope =

The code for sending a request through XMLHttpRequest in JavaScript. For more information, see. The XMLHttpRequest object is divided into four parts: 1. Create an XMLHttpRequest component 2. Set the callback function 3. initialize XMLHttpRequest

The jsHtml structure is converted into a string to display the Code. For more information, see. The Code is as follows: // Html structure to string display supportedLine feedFunction ToHtmlString (htmlStr ){Return toTXT (htmlStr). replace (/\ \;

The following are several common code segments that are usually collected from the Internet. It is also not found who is the original, whether to allow reprint and other requirements, so if you see a friend found that some of the Code is

When reading Extjs Chinese manual today, I wrote four or five lines of sample code. As a result, IE and Firefox failed to report an error. Check the Code: HTML: The Code is as follows: Index

Five JavaScript color selectors (including jQuery plug-ins ). 1. Farbtastic Farbtastic is a color picker plug-in. It can add multiple color selection controls to a page, and then each control is associated with an element in the page, such as a

This article mainly introduces how to flash the webpage title when JavaScript achieves a message. The example shows how to use JavaScript to dynamically operate page elements based on time functions, with the title flashing solution provided by

Because content deletion is very important, you need to confirm the deletion in general systems to avoid accidental deletion. The specific method is as follows. For details, refer. Method 1: It is quite helpful. The page can be opened only after

The solution is to use js's escape function, which is widely used in solving Chinese garbled characters. Recommended. A small problem encountered during the work. A page uses window. showModel ("comm/morelanguage. jsp? Str = zh_CN: love #; zh_TW:

Javascript is a non-type language, so an array element can have any data type, and different elements of the same array can have different types, array Element settings can contain other arrays, so that you can create a complex array. // Author:

In a small function recently, you need to clear the value of & lt; inputtype & quot; file & quot; & gt;, but upload the Control & lt; inputtype & quot; file & quot; the value of & gt; cannot be modified using JavaScript. A small feature recently

The following code uses JavaScript to control the cpu usage. See the article about CPU usage in the control task manager. It is very interesting. I always wanted to do it myself. However, I have a limited level in C language. Therefore, you

Reference A subpage in a static html page. Similar to the dynamic page mode, How do I include one HTML file inside another? It's very common practice to have a consistent theme on a web site. you might have a standard navigation bar or a logo or