How to find largest of three numbers in JavaScript

let a = 10;
let b = 20;
let c = 5;
if (a > b && a > c) {
    console.log("a is Big ", a);
}

if (b > a && b > c) {
    console.log("b is Big ", b);
}

if (c > a && c > b) {
    console.log("c is Big ", c);
}