I do understand how the following function works in general. BUT why doesn't it exit after the first iteration (when there is a palindrome)? It checks the first character against the last in the if statement, which is true, what should (in my logic) execute the return statement... Thank you for any help explaining this! :)
function palindrome(str) {
var lowerCaseStr = str.toLowerCase();
for (var i = 0; i < lowerCaseStr.length; i++)
debugger;
if (lowerCaseStr[i] === lowerCaseStr[lowerCaseStr.length - i - 1]){
return true;
}
return false;
}
You need to switch the logic, check for inequality and return false
. If you reach the end, return true
.
function palindrome(str) {
var lowerCaseStr = str.toLowerCase();
for (var i = 0; i < lowerCaseStr.length; i++) {
debugger;
if (lowerCaseStr[i] !== lowerCaseStr[lowerCaseStr.length - i - 1]) {
return false;
}
}
return true;
}