0Prime

## Generate Random Number
// Generates and logs a random number between 1 and 4, pushes it to an array, and logs it

var arr = [];

function randomNumber() {
    var num = Math.floor((Math.random() * 4) + 1);
    arr.push(num);
    console.log(arr);
}

## Call function synchronously while iterating through array elements
/**
 * At specified interval takes next x of xs and calls f(x)
 * Returns abort function, which stops iteration
 * @param xs - arguments array for f
 * @param f - a function
 * @param delay - delay between calls, ms
 */
const intervalForEach = (xs, f, delay) => {
  const gen = xs.entries()
  const id = setInterval(() => {
	// Generates and logs a random number between 1 and 4, pushes it to an array, and logs it

	var arr = [];

	function randomNumber() {
	var num = Math.floor((Math.random() * 4) + 1);
	arr.push(num);
	console.log(arr);
	}
	/**
	* At specified interval takes next x of xs and calls f(x)
	* Returns abort function, which stops iteration
	* @param xs - arguments array for f
	* @param f - a function
	* @param delay - delay between calls, ms
	*/
	const intervalForEach = (xs, f, delay) => {
	const gen = xs.entries()
	const id = setInterval(() => {