solution for reversing int in javascript

reverse_int.js

/**
 * @param {number} x
 * @return {number}
 */
var reverse = function(x) {
    let str = x.toString().split("");
    let reverse = 0;
    if (str[0] === "-"){
        reverse =  parseInt( "-" + str.slice(1).reverse().join(""));
    } else {
        reverse = parseInt(str.reverse().join(""));
    }
    
    if (reverse > 2147483648 || reverse < -2147483648){
        return 0;
    } else{
        return reverse;
    }