ternary operator typescript code example

Example 1: js ternary

condition ? ifTrue : ifFalse

Example 2: 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 3: javascript ternary

condition ? doThisIfTrue : doThisIfFalse

1 > 2 ? console.log(true) : console.log(false)
// returns false

Example 4: ternary operator in javascript

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

Example 5: how to use ternary operator in javascript

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