9. Palindrome Number - JavaScript Solution - by Abu Saleh Faysal
Experienced software engineer with a demonstrated history of working in several tech startups. Skilled in Front-End Development using Bootstrap, TailwindCSS, JavaScript, TypeScript, React, Redux, Firebase. Strong software professional with a Bachelor of Science focused in Computer Science and Engineering from BRAC University.
Checking "Palindrome number" is a very widespread problem. Compared to the other languages, I found it easier to solve this problem with JavaScript.
Solution:
Step 01: Convert x into string using toString().
Step 02: Split the string using split().
Step 03: Reverse the string using reverse().
Step 04: Join the string using join().
Step 05: Convert the string into number using Number().
Step 06: Check whether the number is equal to the parameter x or not.
Runtime: 330 ms
Memory: 51.1 MB
/**
* @param {number} x
* @return {boolean}
*/
var isPalindrome = function (x) {
return x === Number(x.toString().split("").reverse().join(""));
};
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