hello world program in node js

Objective:node. js Introduction, installation and configuration, the previous section has been introduced, if there is unclear can also leave a message or directly ask Niang. This section:This section focuses on a simple example of node. js, using two methods. This is described below.In short, this section is very simple. Look down, everybody. Script

If we use PHP to write back-end code, we need Apache (XAMPP) or Nginx http server, with MOD_PHP5 modules and php-cgi.From this perspective, the entire "Receive HTTP request and provide WEB page" requirement does not need PHP to handle at all.1. Introduction of the required module: we can use the Require directive to load the node. JS module.2. Create server: The server can listen to the client's request, si

1 varHttp=require ("http");//introducing the HTTP module2Http.createserver (function(Request,response) {//Creating a server3Response.writehead ("$", {"Content-type": "Text/html;charset=utf-8"});//Start4 if(request.url!== "/favicon.ico") {//manually clear the browser's default second request so that the code inside will only execute once; otherwise it will execute two times. It has been automatically used in other frameworks such as Express. 5Console.log ("AAA");6Response.Write ("

The only reason for writing this series is that cainiao, like bloggers, can't remember how express is used, but will assume that cainiao are familiar with JavaScript and node. basic JS usage and ASP. net MVC. I will try to add some knowledge points in the example that correspond to ASP. NET MVC. You can move to https://github.com/visionmedia/expressto download the source code. The example is in examples u

Hello World program instance of Backbone. js, backbone. jshello Create an api. php file with the following content:Copy codeThe Code is as follows:Header ('content-Type: application/json; charset = UTF-8 ');Die (json_encode (array ('name' => 'Tom '))); Create an index.html file. (Based on jquery and underscore, backbon

AbstractThe attacker of μClinux does not need to upload the program on de2. The important thing is how to place our program on μClinux to upload the program. IntroductionOn de2, how does one install the μClinux operating system? In (IC design) (de2) (nioii) (OS) (Linux) (μClinux), we have run μClinux on de2, is this the end? Developers are concerned about how t

Java self-study note (first day) install Java8 --- configure the runtime environment --- compile the "hello world" program --- Note, java8 --- hello (1) What are jvm, jre, and jdk: Jvm: Java Virtual Machine (Java Virtual Machine) Jre: java runtime environment, which is the runtime environment of java programs. Jdk: JDK

Hello world, as the beginning of all programming languages, occupies an immutable position, all the Chinese/English/French/German/American ... Version of the programming textbook, Hello World is always recorded as the first Test in the book, all the first step of programming is this! Classic Among the classics!

The charm of the hello world is that it is simple, you can easily understand it without any foundation, but it is not pale, with a distinct feature of a program language that embodies the most basic thoughts and characteristics of the language. The same is Hello world, let

Hello World Program, helloworld Program Since software development tutorials started, I tend to use the simplest Hello World Program as the starting point. I can't help but fall behind

created server. Message events are the core of JavaScript and node. In this example, whenever a new access request arrives at the Web server, it will invoke the function method we specify to handle it. We call this kind of method a callback (callback). Because whenever an event occurs, we will call back all functions that listen to this event. Example two: As you run to another city with no computers on hand, the DOM framework cannot be released as

0x00 PrefaceBelieve that any programmer encounter any programming language will be with Thanksgiving heart to complete the first program, the program's name is Hello,world, is also the most famous program!About the origin of the Hello,wo