reverseStrings.js

function reverseStringBuiltIn(str) {
    return str.split("").reverse().join("");
}
console.log(reverseStringBuiltIn("himeinnameistundichbin"));


function reverStringForLoop(stri) {
    var newString = "";
    for (i = stri.length-1; i>=0; i--) {
        newString += stri[i];
    }
    return newString;
}
console.log(reverStringForLoop("hallowiegehtesdir"));

function reverseStrRecursion(string) {
    if (string === "")
        return;
    else
        return reverseStrRecursion(string.substr(1)) + string.charAt(0);
}
console.log(reverseStrRecursion("hellothisisme"));