Palindrome
To check whether the given string is reversible. Like 121, Madam etc
JavaScript
// for radar is palindrome return true or else return false
function palindrome(str) {
var re = /[^A-Za-z0-9]/g;
str = str.toLowerCase().replace(re, '');
var len = str.length;
for(let i = 0; i<len/2; i++){
if(str[i] !== str[len-1-i]){
console.log(str);
return false;
}
}
console.log(str);
return true;
}
palindrome("Radar");