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AlbionPendragonvs.poacosta87

Add numbers of an array

Code
Diff
  • const addArr = function (arr) {
    if (arr.length == 0) {
        return null;
    } else {
        return arr.reduce((acc,i) => acc + i);
    }
};
    • const addArr = (arr) => {
    • let sum = 0;
    • for (let i = 0; i < arr.length; i++) {
    • sum += arr[i];
    • }
    • return sum || null;
    • const addArr = function (arr) {
    • if (arr.length == 0) {
    • return null;
    • } else {
    • return arr.reduce((acc,i) => acc + i);
    • }
    • };
AlbionPendragonvs.chalenqo

Reverse strings

Code
Diff
  • const reverseStr = function(str) {
   return str.split('').reverse().join('');
};
    • const reverse = str => [...str].reverse().join('');
    • const reverseStr = function(str) {
    • return str.split('').reverse().join('');
    • };