JavaScript

Demo: http://hovertree.com/game/9/Snake is a popular global small game, is a small snake, constantly on the screen to swim, eat the eggs in all directions, the more eat longer. As soon as the snake head touches the screen, or touches his body, the

What kind of method should be used to remind users? You certainly don't want to use the alert () Prompt boxAdd a Sqan tag after entering the field"Phone"Name="Phone" Type="Text"Size=" A"Onblur="Validatenonemptyfun (This,document.getelementbyid ('

The method of judging null, undefined and nan in JSThis article mainly introduces the method of judging null, undefined and nan in JS, the need of friends can refer to the following. Wrote a str.="s"++and then Nan, looking for a while. The

Closures (closure) are a difficult and unique feature of the JavaScript language, and many advanced applications rely on closures.Here is my study note, which should be useful for JavaScript beginners.The scope of a variableTo understand closures,

1. The toUpperCase () method is used to convert a string to uppercasevar str = prompt ("Please enter the string to be converted in uppercase:");str = Str.touppercase ();Console.log (str);toUpperCase method Returns a string in which all

Create Package.json File// NPM settingsnpm set Init-author-name ' username 'npm set init-author-email ' [email protected] 'NPM Set init-author-url ' http://username.com 'npm set savetrue//Create Package.json NPM InitPubish to GitHub and tag it--M

Javascript:alert (document.body.clientWidth); Web page visible area width (body)alert (document.body.clientHeight); Web page Visible Area high (body)alert (document.body.offsetWidth); Web page visible area width (body), including border, margin, etc.

Implicit JavaScript conversions and implicit javascript Conversions The JavaScript data type is very weak (otherwise it will not be called a weak type language )! When Arithmetic Operators are used, the Data Types on both sides of the operators can

Summary of css compatibility issues in mainstream browsers, css compatibility in mainstream browsers Recently, another wave of website compatibility has been developed. Since IE browser is required to be compatible with ie8, it is still difficult to

CSS outline, cssoutline* Directory [1] contour style [2] contour width [3] contour color [4] contour offset [5] composite attribute [6] common application prefix The outline is outside the border. It does not participate in the document flow as the

Share 12 useful jQuery code snippets and 12jquery code snippets JQuery is an excellent JavaScript library, which is well-known among WEB developers and WEB designers. It helps WEB designers develop many creative and beautiful WEB pages. This article

Summary of Chinese and space methods in the JavaScript filter string, javascript string How does js filter Chinese characters or spaces in strings? There are many methods. We can use replacement and regular expressions to implement them. This

Adaptive Layout of BFC width, Adaptive Layout of bfc width Speaking of Adaptive Layout, we have learned in the article "Adaptive Layout of the width of the discussion. At that time, the core idea was to use float + margin. Based on the fluid

Jquery Click Event and double-click event conflict solution, jquery Solution I need to add a double-click event to the Tree node of bootstrap-treeview. The native method of this plug-in does not include the double-click event function. By default,

Common center methods in css and css Center In the front-end interview, Metropolis asked you about the method of div center: If the text is not good, I just want to give a few words to summarize it, However, in the future, it will certainly be

Analysis and Optimization of JavaScript code for the lucky draw (I) Recently, a special Lucky Draw effect plug-in for "marquee" was created in the project. I have already shared my previous article.htmlAndcss. This article mainly shares some

Analysis and Optimization of JavaScript code for the lucky draw (2) To write a plug-in. Plug-ins certainly have some characteristics that can meet our development needs or improve our development efficiency. What are the basic features of plug-ins?

JQuery ztree provides examples for filtering and asynchronous loading, and jqueryztree The examples in this article share the JQuery ztree filtering and asynchronous loading instances for your reference. The specific content is as follows: "> My

JQuery zTree for loading tree menus, jqueryztree Because the tree menu function needs to be designed in the project, Baidu looked for relevant information and found a lot of zTree information. I think it is quite good, and zTree also has an official

Proficient in this keyword of JavaScript, javascriptthis The this keyword in Javascript puzzles many new and old JS developers. This article will fully elaborate on this keyword. After reading this article, all your puzzles will be eliminated. You