Reverse a String
function reverseString(str) {
a = str.split('');
b = a.reverse();
c = b.join('');
return c;
}
Factorialize a Number
function factorialize(num) {
var arr =[];
for (i=1;i<=num;i++){
arr.push(i);
}
return arr.reduce(function(a,b){
return a * b;
}, 1);
}
Check for Palindromes
function palindrome(str) {
ini = str.toLowerCase();
desym = ini.replace(/[\W_]/g,'');
a = desym.split('');
b = a.reverse();
c = b.join('');
if (c == desym){
return true;
}else{
return false;
}
}
Find the Longest Word in a String
function findLongestWord(str) {
var max = 0;
a = str.split(' ');
for (i=0;i<a.length;i++){
if (a[i].length>max){
max = a[i].length;
}
}
return max;
}
Title Case a Sentence
function titleCase(str) {
a = str.toLowerCase().split(' ');
var result=a.map(function(val){
return val.replace(val.charAt(0), val.charAt(0).toUpperCase());
});
return result.join(' ');
}
Return Largest Numbers in Arrays
function largestOfFour(arr) {
var res = [];
for (i=0;i<arr.length;i++){
var max = 0;
for (j=0;j<arr[i].length;j++){
if (arr[i][j] > max){
max = arr[i][j];
}
}
res.push(max);
}
return res;
Confirm the Ending
function confirmEnding(str, target) {
if (str.substr(-1)==target|str.substr(str.length-target.length)==target){
return true;
}else{
return false;
}
}
Repeat a string repeat a string
function repeatStringNumTimes(str, num) {
if (num>=0){
return str.repeat(num);
}else{
return '';
}
}
