This article mainly introduces. the Redis method is used in js applications, and the simplest data read/write operations are related. If you need it, please ensure that Redis and Node are installed before you start this article. js and Node. redis extension of js -- node_redis
First, create a new folder and create a text file app.
JavaScript does not have the concept of classes, and class-related inheritance is even more difficult to talk about. However, we can use special syntax to simulate inheritance in object-oriented languages. JS inheritance
JavaScript does not have the concept of classes, and the concept of class-related inheritance is even more difficult to talk about, but we can use special syntax
Simulate inheritance in the object-oriented language.
There are multipl
When a website has a lot of js Code to load, the js Code placement location will, to a certain extent, reflect the loading speed of the webpage. In order to increase the loading speed, this article summarizes several points of attention. When a website has a lot of js Code to load, the position of js Code will, to a ce
Lightweight native js calendar plug-in calendar. js User Guide, jscalendar. js
Instructions for use:
You need to introduce the plug-in calendar. js/calendar. min. js.
You must import the calendar.css style sheet to customize your desired skin.
The calendar plug-in supports c
One JS file references multiple JS files, and one js file references multiple(function() {// Load varobj = {}; /** * Dynamic loading of script Functions * @ Param url: Path of the script to be loaded * @ Param callback function */ obj.loadScript =function(url,callback){ var doc = document; var script = doc.createElement("script"); script.type = "text/javascript";
://www.CodeHighlighter.com/-->
Anyone who has used Java can only import the required Java classes to Java as needed.In JavaScript, we can also implement similar functions to reduce the amount of JS files introduced and reduce network transmission. The method is: Document. Write ('ScriptSRC= "Apppath/JS/My. js">'); If there are many
Javascript returns to the previous page:1. History.go (-1), return two pages: History.go (-2);2. History.back ().3. Window.history.forward () return to next page4. Window.history.go (return to page or use the URL you have visited)Cases:Response. Write ("")Response. Write ("")Page Jump: onclick= "window.location.href= ' list.aspx '"P.S.Small tricks (JS reference js):JS
In front-end development, we can't help but use read/write cookies and dynamically introduce js scripts and other related operations. How can we achieve this? See the following js functions: [javascript] varJsHelper {CreateJS: function (url) {varhdocument. getElementsByTagName... Synt
In front-end development, we can't help but use read/write cookies and dynamically introduce
This article mainly introduces the amazing node. the routine analysis of js Reading Notes. If you need it, you can refer to the nodejs learning content of the next week for the use of several dependent packages and repeat the examples in the book. This article takes the routine as a clue to review the work of the week.
1. connect
This routine mainly uses the connect dependency package. connect provides a middleware (composed of functions that interac
Parses the HTML structure.
Load external scripts and style sheet files.
Parse and execute the script code.
Constructs an HTML DOM model.
Load external files such as pictures.
The page has finished loading.
In mobile browser, especially mobile shell application to browse the Web page, will load JS file and then load other structure, if the load of JS file more, will let the user see a long t
You can use jquery's $.getscript (Url,function () {});$.getscript ("http://api.map.baidu.com/getscript?v=1.1ak=services=truet=", function () {Get Baidu Map JS will execute this method after successfulInitmap ();});This method is equivalent to$.ajax ({ url:url, dataType: "Script", success:success}); The external introduction of JS Judge JS script loading is co
PackagingAdd methods to all objects through prototype, but this method cannot access the private methods and properties of the class through the previous studyfunction P1 () { this.a=1;//Public method var age=20;//private method }P1.prototype.func1=function () { Alert (THIS.A) Alert (age)} var a=new p1 (); A.func1 ();Nanyi prototypeInheritedJS can be multiple inheritance, does not support overloading (can not be determined by the number of paramet
[JS] Three call methods of functions in Js and three call methods of js Functions
On the same page, the function name must be unique and case sensitive. In Js, you can call functions in the following three ways:
1. Simple function call
2. Call a function in the Event Response
3. Call a function through a connection
Th
Based on the clipBoard. JS plug-in, js achieves cutting, copying, and pasting. jsclipboard. js
Abstract:
Recently, a project was created, with the following requirement: to implement the function of clicking the button to copy the link, find relevant information online, and find several plug-ins, zeroClipboard is a replication function implemented through flash.
Cocos2d-js tutorial cocos2d-js http network request, cocos2d-js tutorial
This article by qinning199 original, reproduced Please note: http://www.cocos2dx.net/post/216
It is very simple to study the http network request of cocos2d-js.
1. get request. The Code is as follows:
var xhr = cc.loader.getXMLHttpRequest();
Js ---- splice for Array Processing (with the js original addClass method), js ---- addclass
Last time I wrote a carousel method: http://blog.csdn.net/stronglyh/article/details/46833499
When someone asked me, they gave me html, so I saw jquery referenced in the page, so I wrote it using jquery. Today I have thought about a addClass method in jquery, I don't know
This article introduces how to use C ++ in window7 to compile the extension module for node. js, and attaches a simple hello instance. For more information, see. Prerequisites: Install node. js, Python2.7, and visual studio 2013.
Process:Install the GYP project generation tool npm install-g node-gyp.Create the test directory, which is our working directory. Create another src directory to store the C ++ so
For C ++, function overloading exists, for example:
void CCNode::setScale(float scale)void CCNode::setScale(float scaleX,float scaleY)
The two functions have the same name, but different parameter tables. Finally, the function signature after compilation is different.
However, this mechanism does not exist in JavaScript. How can this problem be solved? There are two situations:
First, JS needs to call the overloaded C ++ function interface
Let's ta
Node. the selling point of js is "asynchronous single-thread". Although many mainstream Web backend programming languages have good support for asynchronous programming, only Node. js forces asynchronous all IO. Python and Ruby also have such a framework, but because it is inevitable to use a library containing Synchronous Code in actual use, it cannot grow up, but in Node. before
key disk and the number keys on the pay keyboard. the keyCode of onkeydown and onkeyup is sensitive to the number keys on the master and pay keyboard.
Js judges the keys pressed by the user, and then performs different operations based on the keys pressed:
document.body.onkeydown=window.onkeydown=function(e){var keyCode;if(!e) e=window.event;if(document.all){keyCode=e.keyCode;}else{keyCode=e.which;}if(keyCode==37){window.location.href="http://www.php
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