Reverse a string
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function reverse(str) {
console.log(str.length)
let revArr = []
for (let idx = str.length - 1; idx > 0 ; idx--){
revArr.push(str[idx]);
//revArr[str.length-1-idx] = str[idx]
}
return revArr.join('')
}
console.log(reverse("hello"))
function reverseUdemy(str) {
if(!str || str.length < 2 || typeof str != 'string'){
return 'hmm that is not good';
}
const backwards = [];
return backwards.join('')
}
function reverse2(str) {
return str.split('').reverse().join('');
}
JavaScript
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