Ternary operator

Ternary operator ⇒ a shortcut to if() and else() statements. help to assign a variable based on a condition

• condition ? codeIfTure : codeIfFalse ;

Ternary code:

let age = 21;
let mesage = age >= 18 ? "you're an adult" : "you're a minor" ;

Normal code:

let age = 21;
 
let message;
 
if(age >= 18){
	message = "you're an adult";
}
else{
	message = "you're a minor";
}

These two code have same function, ternary operator a simple way of the if statement

Another example:

let purchaseAmount = 99;
let discount = purchaseAmount >= 100 ? 10 : 0;
 
console.log(`your total is ${purchaseAmount - purchaseAmount * (discount / 100 )}`);