JavaScript

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Check the number of values selected in the check box and SyntaxHighlighter. all (); info & nbsp; | & nbsp; Security & nbsp; | & nbsp; Forum     Number of values and values selected in the JavaScript check box    

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There is a kind of mentality called Let go; there is a kind of realm called willingness; there is a kind of happiness called waiting... syntaxHighlighter. all (); info & nbsp; | & nbsp; Security & nbsp; | & nbsp;     JS   One kind of mentality is

Let's talk about performance first. if a page contains a large number of buttons. we need to bind an event handler for each button. this will affect the performance. first, every function is an object, and the object occupies a lot of memory. the

Standard drop-down boxes in html are often used. We often need to obtain the text or value when the drop-down box is changed. JS beginners often confuse their values with texts. Sometimes it will be wrong, because our value is often our text, but...

Dear friends, I really don't want to believe that you are attracted by titles, but the fact makes me have to admit the nature of men. However, please rest assured that I am not a title party (I hate those title parties that waste everyone's time).

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I wrote about the class implementation earlier, and then let's look at the implementation of the static class. This is frequently used in Javascript, because there are not many pages based on the same class object for current webpages, the

1. braces {} indicate defining an object. In most cases, there must be a pair of attributes and values or functions. For example: varLangShen {& quot; Name & quot;: & quot; Langshen & quot;, & quot; AGE & quot;: & quot; 28 & quot ;}; the above

Javascript defines four types of loops: for, while, do-while, and for-in. The performance of the first three cycles is not much different, but the for-in loop performance is very poor. During each loop execution, it needs to traverse all the

In many projects, we often need to use JS. The js replace () method is essential for modifying some elements at the front end of the page. Frequently Used & quot; ABCABCabc & quot ;. replace (& quot; A & quot;, & quot; B & quot;) should be clear,

The Special Data Type of javascript learning notes is: * Undefinedvara; // declare a variable, but it is not assigned alert (a); // but it still has a value, its value is undefinedalert (B); // but note that an error will occur when an undefined

In this section, I will share my functions, nested functions, data functions, and object functions! 1. Since many functions have been used before, I will not share them here. 2. nested function functionchina () {functionpeople () // nested function,.

Today, we will summarize the differences and usage of several objects in js: parent. window and top. window Usage & quot; window. location. href & quot;, & quot; location. href & quot; indicates the current page Jump & quot; parent. location. href &

Plug-in code (function () {varfullScreenApi {supportsFullScreen: false, isFullScreen: function () {returnfalse ;}, requestFullScreen: function () {}, cancelFullScreen: function (){... Plug-in code (Function (){Var fullScreenApi = {SupportsFullScreen:

JQueryUIDialog is a pop-up dialog box component of jQueryUI. It can be used to create various beautiful pop-up dialog boxes. It can set the title and content of the dialog box, and enable the dialog box to be dragged, resized, and closed; it is

Method 1: 1. Create a button and write the called or processed content to button_click in the background; 2. Write a js function on the foreground with the content of document. getElementById (& quot; btn1 & quot ;). click (); 3. Call js functions