pubsub js

In this chapter, we also use Node. js creates a simple Web server. in the previous chapter, we introduced Node. js, a JavaScript Server Platform for Internet services, and Node. the js runtime environment has been set up and verified by two HelloWorld programs. basic functions of js. In this chapter, we also use Node.

JS how to determine whether the introduction of JS file is loaded complete:If the JavaScript code is very small, you can write the JS code through the tag in the current page, but if the JS code is very large, then the page will become very bloated, and because the JS code

This is a special Node. js learning note for beginners. This note will show you how to Start Node. js step by step. 1. Introduction to node. js I have a lot of information on the Internet. 1. What is node. js?At the core, Node. js is an event-driven server-side javascri

The method of the as call JS in Flex is:1. Import package (flash.external.ExternalInterface;)2, use Externalinterface.call ("JS function name", parameter) to call, its return value is the value returned by the JS functionThe method by which JS calls as is:1. Import package (flash.external.ExternalInterface;)2, in the I

This article mainly introduces Node. callback and code design patterns in js asynchronous programming. Although long string parentheses during callback writing are not very nice in most cases, Node's asynchronous performance is indeed good, for more information, see the event mechanism and asynchronous IO, the biggest selling point of NodeJS, which is not transparent to developers. Developers need to write code in asynchronous mode to use this selling

---restore content starts---First, the basic part:1. What is JavaScript?is a scripting language , is a weak type (language grammar is very casual), C # is strongly typed (language syntax is very strict) (Li brainstorming Lxc)Advantages: JS execution Speed is fast2. What is the relationship between JS and Java? It doesn't matter.3, JS can do what things?Ability to

First download the following file (this is a piece of code that someone else has written that specifically parses the JSON) and then introduce this file! Http://pan.baidu.com/s/1dD8qVr7 Now when we need to use Ajax to interact with the background, how to transfer the PHP array to the JS file and JS to recognize it? First look at the php file, when we get to $arr this array foreach ($arr as $value) { $jso

Jsforjscss.html 1 2. loadjscssfile. js // JavaScript Documentfunction loadjscssfile(filename,filetype){ if(filetype == "js"){ var fileref = document.createElement('script'); fileref.setAttribute("type","text/javascript"); fileref.setAttribute("src",filename); }else if(filetype == "css"){ var fileref = document.createElement('link'); fileref.setAttribute("rel","s

Comparison between AngularJS, Backbone. js, and Ember. js, angularjsbackbone1 Introduction In this article, we are going to compare three popular Web "Model-View-*" frameworks: AngularJS, Backbone, and Ember. Choosing the right framework for your project will have a huge impact on your ability to deliver your project in a timely manner and your ability to maintain your own code in the future. You may want t

Details about js front-end code exception monitoring and js Code monitoring Reading directory What is a front-end code exception? Window. onerror Write a js Error Reporting Library Note: Disadvantages: During normal work, js errors are a common scenario. In particular, some errors may not be tested during l

Understand JS binding events and js binding events This article provides a detailed analysis of JS binding events for your reference. The specific content is as follows: The binding event has compatibility issues. In earlier versions of IE, obj. attachEvent () was used, while other browsers used addEventListener ().Both methods have three parameters:Event Type, e

Parse the code deployment method of Node. js Based on modules and packages, and deploy node. js Module path parsing rules Experienced C programmers first write from the make file when writing a new program. Similarly, before using NodeJS to write a program, in order to have a good start, you must first prepare the directory structure and deployment method of the Code, just as building scaffolding before bui

Native js achieves image cascade carousel switching and js image cascade Switching This article introduces how to switch the scroll effect of the js focus image cascade carousel for your reference. The details are as follows: : Function Description: 　　Customize the image size; Automatically scroll the image at intervals; Each time an animation is executed

JavaScript is an object-based and event-driven, security-based scripting language that is widely used, not just web pages, and not trapped by JSP. Based on the object, that is, you do not need to specify the type of the variable, you give him a 3, it knows the integer, if given a value of ' 3 ', it will know is char. Event-driven, that is, click on the event to drive it. JavaScript Advantages: Web Interactive, simple and easy to use. JS is mainly ba

First download the following file (this is a piece of code that someone else wrote to parse the JSON) and introduce the file! Http://pan.baidu.com/s/1dD8qVr7 Now when we need to use Ajax to interact with the background, how to transfer the PHP array to the JS file and JS identified? First look at the php file, when we get to $arr this array foreach ($arr as $value) { $json. = Json_encode ($va

jquery Dynamic Loading Css,js file method is simple, Cases Method 1: The code is as follows $.getscript ("Test.js"); Method 2: The code is as follows function Loadjs (file) { var head = $ (' head '). Remove (' #loadscript '); $ (" } Method 3: The code is as follows $ (" Attached below are some JS dynamic loading Js,css file method. The followin

PrefaceTo remove an element from a list in Java, you can use the Remove method directly.In the JS array does not have the Remove method, but in the JS array has the Splice method can achieve the same effect, in addition, you can also use other ways to achieve this effect.To remove an element from an array using the Splice methodFirst look at how the Splice method is used.GrammarArrayobject.splice (index,how

1, JS inside the event flowThe three phases of the event flow are defined in the DOM2-level event Model: capture phase, target stage, bubbling phase, low version IE (IE8 and below) does not support capture phaseCapture Event Flow: Netscape the event stream, that is, the event is received by the page element, descending, and propagated to the most specific element.Bubbling event Flow: The event stream proposed by IE, that is, the event is received by t

1. First write a mask layer div and then write a popup divMask Layer -DivID= "Cover"style= "background: #000; position:absolute; left:0px; top:0px; width:100%; Filter:alpha (opacity=30); opacity:0.3; Display:none; Z-index:2 "> Div>pop -up window -DivID= "Showdiv"style= "width:80%; margin:0 auto; height:9.5rem; border:1px solid #999; display:none; position:absolute; top:40%; le ft:10%; Z-index:3; Background: #fff "> title - Divstyle= "background: #F8F7F7; width:100%; height:2rem; font-si

1 DivID= "Div">2 TableID= "tab">3 TR>4 th>Numberth>5 th>Nameth>6 th>Genderth>7 th>Ageth>8 TR>9 Table>Ten Div>The HTML content table adds rows and cells to JS and has a delete keyWindow.onload =function(){ vardata = [ [1, "Wang Paoli", "Male", "10"], [2, "Shang", "Male", "11"], [3, "Li Qingkun", "Male", "12"], [4, "Chen Peng", "Male", "33"] ]; //in