//*** Build in function

console.time(reverse);
reverse('hello');
console.timeEnd(reverse);
function reverse(s) {
    return s.split("").reverse().join("");
}
VM1310:3 [object Function]: 0.070068359375ms
undefined

console.time(reverse);
reverse('hello');
console.timeEnd(reverse);
function reverse(s) {
    return s.split("").reverse().join("");
}
VM1312:3 [object Function]: 0.088134765625ms
undefined

console.time(reverse);
reverse('hello');
console.timeEnd(reverse);
function reverse(s) {
    return s.split("").reverse().join("");
}
VM1314:3 [object Function]: 0.0859375ms
undefined

console.time(reverse);
reverse('hello');
console.timeEnd(reverse);
function reverse(s) {
    return s.split("").reverse().join("");
}
VM1316:3 [object Function]: 0.072021484375ms
undefined

console.time(reverse);
reverse('hello');
console.timeEnd(reverse);
function reverse(s) {
    return s.split("").reverse().join("");
}
VM1318:3 [object Function]: 0.072021484375ms
undefined


//*** your solution

console.time(reverseString);
reverseString('hello');
console.timeEnd(reverseString);

function reverseString(str) {
    var newString = "";
    for (var i = str.length - 1; i >= 0; i--) {
        newString += str[i];
    }
    return newString;
}
VM1320:3 [object Function]: 0.109130859375ms
undefined

console.time(reverseString);
reverseString('hello');
console.timeEnd(reverseString);

function reverseString(str) {
    var newString = "";
    for (var i = str.length - 1; i >= 0; i--) {
        newString += str[i];
    }
    return newString;
}
VM1322:3 [object Function]: 0.108154296875ms
undefined

console.time(reverseString);
reverseString('hello');
console.timeEnd(reverseString);

function reverseString(str) {
    var newString = "";
    for (var i = str.length - 1; i >= 0; i--) {
        newString += str[i];
    }
    return newString;
}
VM1324:3 [object Function]: 0.103759765625ms
undefined

console.time(reverseString);
reverseString('hello');
console.timeEnd(reverseString);

function reverseString(str) {
    var newString = "";
    for (var i = str.length - 1; i >= 0; i--) {
        newString += str[i];
    }
    return newString;
}
VM1326:3 [object Function]: 0.088134765625ms
undefined

console.time(reverseString);
reverseString('hello');
console.timeEnd(reverseString);

function reverseString(str) {
    var newString = "";
    for (var i = str.length - 1; i >= 0; i--) {
        newString += str[i];
    }
    return newString;
}
VM1328:3 [object Function]: 0.101806640625ms
undefined