Write a JavaScript program to check palindrome string

Description: Check if the words “madam”, “Level” and “hello” are palindromes.

Hint:

• A palindrome reads the same backwards.
• Change the text to lowercase first.

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JavaScript palindrome program

function isPalindrome(text) {
  const clean = text.toLowerCase();
  return clean === clean.split("").reverse().join("");
}

for (const w of ["madam", "Level", "hello"]) {
  console.log(w + (isPalindrome(w) ? " is a palindrome" : " is not a palindrome"));
}

Output:

How it works

• toLowerCase() makes “Level” equal to “level”.
• The text is compared with its reverse.

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