Palindromes and how to solve this problem with JavaScript can be part of the most common technical tests that a professional in JavaScript software development usually does. This article explores a method for identifying the patterns that make up a palindrome.
What is a palindrome?
A palindrome is a word, phrase, number, or other sequence of characters that reads the same backwards and forwards. This section covers strategies for determining whether a given input is a palindrome, showing its ability to work with strings and logic.
How to determine if a string is a palindrome in JavaScript?
We will create an algorithm to determine if a given input is a palindrome, working on the ability to work with strings and logic.
How to solve a Palindrome in JavaScript?
function isPalindrome(string) {
// We normalize the text, converting it to lowercase and then removing all non-alphanumeric characters, including the hyphen.
var normalizedString = string.toLowerCase().replace(/[\W_]/g, '');
// Will compare the normalized string with its inverted version.
var reversedString = normalizedString.split('').reverse().join('');
// Will return true if the strings are equal.
return normalizedString === reversedString;
}This approach demonstrates that with basic knowledge of JavaScript and a clear understanding of palindromes, we can create efficient solutions to seemingly complex problems. Before writing a line of code it is important to understand the problem, the solutions do not have to be complex.