js ternary return code example

Example 1: how to use ternary operator in javascript

function example() {
    return condition1 ? value1
         : condition2 ? value2
         : condition3 ? value3
         : value4;
}

// Equivalent to:

function example() {
    if (condition1) { return value1; }
    else if (condition2) { return value2; }
    else if (condition3) { return value3; }
    else { return value4; }
}

Example 2: ternary operator in javascript

FullName: (obj.FirstName && obj.LastName) ? obj.FirstName + " " + obj.LastName : "missing values",

Example 3: ternary operator javascript

condition ? exprIfTrue : exprIfFalse

//Example
let age = 26;
let beverage = (age >= 21) ? "Beer" : "Juice";
console.log(beverage); // "Beer"