words per minute
2
HuyVietSchulz
00:00
Speed
const regex = /^(https?:\/\/)?[\w.-]+\.[a-z]{2,}\/?$/i;
console.log(regex.test("https://example.com") ? "Valid" : "Invalid");
function quickSort(arr) {
if (arr.length <= 1) return arr;
const pivot = arr[Math.floor(arr.length / 2)];
const left = arr.filter(x => x < pivot);
const right = arr.filter(x => x > pivot);
return [...quickSort(left), pivot, ...quickSort(right)];
}
class Point {
constructor(x, y) {
this.x = x ?? 0;
this.y = y ?? 0;
}
move(dx = 0, dy = 0) {
this.x += dx;
this.y += dy;
return '(${this.x}, ${this.y})';
}
}
for (let i = 0; i < 5; i++) {
console.log('fib(${i}) = ${fibonacci(i)}');
}