Four ways to swap variables in JavaScript !
The above image shows different way of swapping values between two variables.
Node.js Cheat Sheet
To start a new node project, type C:\Users\jinoy\OneDrive\Desktop\MERN>npm init -y The basic syntax of calling a function in node.js with express is : const functionname = () => { console . log ( "hello world" ); } functionname (); To call a function after every 5 seconds : setInterval (() => { console . log ( "hello" ); }, 5000 ); To call a function only once after 4 second : setTimeout (() => { console . log ( "test" ); }, 4000 ); To run a script.js file on terminal, type : C:\Users\jinoy\OneDrive\Desktop\MERN>node script.js OR C:\Users\jinoy\OneDrive\Desktop\MERN>node script To stop a function that is executing on every interval( time to call function again) : const interval = setInterval (() => { console . log ( "hello" ); }, 1000 ); setTimeout (() => { clearInterval ( interval ); console . log ( "stopped" ); }, 6000 ); The above function will work continously untill
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