Brief introduction
node. JS is a platform that lets JavaScript out of the browser running on the server, not the language;The JavaScript engine used by node. JS is a V8 from Google Chrome; JavaScript compatibility issues that run outside the browser without having to worry about headachesThe use of singl
result.
This program calls the http module provided by node. js, replies the same content to all Http requests, and listens to port 3000. After the script is run, it does not exit immediately. You must press ctro + c to stop it. This is because the listen function creates an event listener.
4. debug the script
After the node.
function.
Directly on the code to illustrateFile structure: PS: Since JS does not have main (), the node. JS Community has agreed to write the main process in app.js.The utility module is as follows:var title = "Hello Node"= { function(titlename) { = TitleName; }, function () { console.lo
Node. js ~ Deployment on linux and node. jslinux
The following uses centOS as an example to deploy the node. js environment.
Start centos and download the node. js package.
curl --silen
, function (res) {var html = ''; res. on ('data', function (data) {html + = data;}) res. on ('end', function () {var courseData = filterChapter (html); printCourseInfo (courseData );})}). on ('error', function () {console. log ('course data retrieval error ');})
References:Https://github.com/alsotang/node-lessons/tree/master/lesson3
Http://www.imooc.com/video/7965
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