hello world application in nodejs

-
Nodejs is a JavaScript command line runtime using chromes v8 engine known for its wicked fast speed and execution time. its well known that  the v8 engine compiles JavaScript to archive its impressive performance.
Nodejs is a command line application ie the output will be forwarded to the console in our case the terminal of your shell.
In your terminal or text editor type
console.log("Hello World")
save the file simply as helloworld.js
In your terminal type node helloworld.js
Output // Hello World
// Hooray You dit it.

Comments

Post a Comment

Popular posts from this blog

Hello world application in Kotlin

-
Kotlin Hello World Application To get started open your editor and type the snippet of code below fun main() {     println("Hello, World!") } in kotlin main is the entry point function of an application fun keyword is used for declaring functions it acts like function does in JavaScript. Compile your application into jar kotlinc hello.kt -include-runtime -d hello.jar Execute your application java -jar hello.jar If everything went well you should see "Hello World" output from your terminal
Read more

How to set content disposition headers for express nodejs apps

-
Image
In express nodejs apps you can force the user agent "browser" to rather download content instead of displaying or attempting to render given content within the browser. In this example assuming you're using express.static to serve content pass an Object as second argument to express.static function An Object with configuration parameters; const config = { setHeaders: res => res.set('Content-disposition',  'attachment') } In your code replace "path/to/media/" with the path pointing to the static content. app.use('/media/', express.static('path/to/media/', config)) To test try accessing content at /media/*
Read more