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How do you run JavaScript script through the Terminal?

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  • Difficulty Level : Easy
  • Last Updated : 08 Sep, 2022
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You can run your JavaScript file from your terminal only if you have installed Node.Js in your system. Install Node.js from Steps to install Node.js.

If you have already installed it, then simply open the terminal and type “node <FileName>.js”.

Example 1: Create a JavaScript file. Name this file as New.js

javascript




// Function to add two variables.
 
const add = (a, b) => {
    return a + b
}
 
console.log(add(4, 6))


Output:

10

Steps :

  1. Open Terminal or Command Prompt.
  2. Set Path to where New.js is located (using cd).
  3. Type “node New.js” and press ENTER.

Example 2: Create a JavaScript File Name this file as New2.js

javascript




// Function to subtract two variables.
 
const sub = (a, b) => {
    return a - b
}
 
console.log(sub(6, 2))


Output:

4

JavaScript is best known for web page development but is also used in various non-browser environments. You can learn about JavaScript from the ground up by following JavaScript Tutorial and JavaScript Examples.

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