how to parse 1 step reverse in javascript code example

Example 1: how to flip a Number in javascript

function reverse_a_number(n)
{
	n = n + "";
	return n.split("").reverse().join("");
}
console.log(reverse_a_number(32243));

Example 2: js reverse number

const reversedNum = num => parseFloat(num.toString().split('').reverse().join('')) * Math.sign(num)