reverse a string
//////////////////////////////////////
function reverse(str) {
if(!str || str.length<2 || typeof str !== 'string'){
return 'hmmm that is not good...';
}
return str.split('').reverse().join('');
}
//////////////////////////////////////
function reverse(str) {
let n = str.length;
let s = '';
for (let i = n - 1; i >= 0; i--) {
s += str[i];
}
console.log(s);
}
reverse('Hello'); // olleHreverse the string
#!/bin/bash
input="$1"
reverse=""
len=${#input}
for (( i=$len-1; i>=0; i-- ))
do
reverse="$reverse${input:$i:1}"
done
echo "$reverse"Copyright © 2021 Codeinu
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