We have sent values to a function, but what about getting information back? All functions return to the location from which they are called and they return data using the “return” keyword. If you do not use the “return” keyword, the function will return “undefined”.
function add( num1, num2 ) {
let newNum = num1 + num2;
return newNum;
}
let addSum = add( 1, 2 ); // Variable to hold function call. Allows ease of use.
console.log( addSum ); // Displays 3Happy Coding!
Clay Hess
The Cookie Store API modernizes web cookies with async methods, typed objects, and change events—simplifying auth, prefs, and multi-tab sync.
The Contact Picker API lets mobile web apps open the native contacts chooser so users can share exactly the fields you request—like name, phone, email, address, or avatar—without granting blanket access to their entire address book. It’s user-initiated, privacy-preserving, and perfect for speeding up invites and form fills.
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