将if/else转换为三元运算符

condition ? expressionIfTrue : expressionIfFalse;

let age = 18;
let isAdult;

if (age >= 18) {
    isAdult = true;
} else {
    isAdult = false;
}

let age = 18;
let isAdult = age >= 18 ? true : false;

let a = 1, b = 2, c = 3;
let result = a > b ? (a > c ? a : c) : (b > c ? b : c);

let a = 1, b = 2, c = 3;
let result;

if (a > b) {
    if (a > c) {
        result = a;
    } else {
        result = c;
    }
} else {
    if (b > c) {
        result = b;
    } else {
        result = c;
    }
}

function getMax(a, b, c) {
    if (a > b) {
        return a > c ? a : c;
    } else {
        return b > c ? b : c;
    }
}

let a = 1, b = 2, c = 3;
let result = getMax(a, b, c);