How do you run JavaScript script through the Terminal?

You can Run your JavaScript File from your Terminal only if you have installed NodeJs runtime. If you have Installed it then Simply open the terminal and type “node FileName.js”. If you don’t have NodeJs runtime environment then go to NodeJs Runtime Environment Download and Download it.

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

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// Simple Addition Function in Javascript
function add(a, b) {
return a+b
}
console.log(add(4, 6))

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Output: 


10


Steps :


    

  1. Open Terminal or Command Prompt.
    2. 

  2. Set Path to where File is Located (using cd).
    3. 

  3. Type “node New.js” and Click Enter
    4. 



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













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// Simple Substraction Function in Javascript 


function sub(a, b) { 


return a-b 


} 


console.log(sub(6, 2)) 



















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Output: 


4


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