January 28, 2024 - Here are 15 coding interview questions related to strings in JavaScript, along with sample solutions: Reverse a String: Write a function to reverse a string in-place. function reverseString(str) { return str.split('').reverse().join(''); } Check ...

January 30, 2025 - An undefined variable has been declared in the program, but no value has been assigned. This means the variable exists, but its value is yet to be defined. String: Represents text, denoted by single quotes, double quotes, or backticks · Number: Represents numbers (integer & floating-point values) BigInt: Represents very large numbers with precision ... You can use the import keyword and the asterisk (*) symbol. ... Note this is one of those JavaScript coding interview questions that’s good to know.

November 10, 2019 - Check 👉 179 JavaScript Interview Questions ... var firstWord = "Mary"; var secondWord = "Army"; isAnagram(firstWord, secondWord); // true function isAnagram(first, second) { // For case insensitivity, change both words to lowercase. var a = first.toLowerCase(); var b = second.toLowerCase(); // Sort the strings, and join the resulting array to a string.

March 18, 2024 - Q) Write a JavaScript program to reverse a given string. function reverseString(str) { let reversed = ''; for (let i = str.length - 1; i >= 0; i--) { reversed += str[i]; } return reversed; } // Example usage: const originalString = "hello"; const reversedString = reverseString(originalString); console.log("Original string:", originalString); console.log("Reversed string:", reversedString);

var string = "Welcome to this Javascript Guide!"; // Output becomes !ediuG tpircsavaJ siht ot emocleW var reverseEntireSentence = reverseBySeparator(string, ""); // Output becomes emocleW ot siht tpircsavaJ !ediuG var reverseEachWord = reverseBySeparator(reverseEntireSentence, " "); function reverseBySeparator(string, separator) { return string.split(separator).reverse().join(separator); } View on Codepen: http://codepen.io/kennymkchan/pen/VPOONZ?editors=0012

June 18, 2023 - This interview series prepares you for a successful technical interview, but it is also useful for daily coding. In the code gist format, we list important features of a JavaScript string, which is the foundation of programming skill. There are properties and methods that have existed for 20 years, as well as features in ES2021.

September 18, 2025 - String-related problems often assess a candidate's understanding of concepts like pattern matching, manipulation, and efficient algorithm design. Here is the collection of frequently asked interview questions on Strings.

March 29, 2026 - #webdev #programming #javascript #beginners · Imagine this: You’re in a high-stakes JavaScript interview. The interviewer leans in and says, “Implement trim(), replaceAll(), and split() from scratch — no built-ins allowed.” Your pulse quickens… but then you smile. Because you’ve already read my blog, so no worries at all! String methods are like everyday-needs of JavaScript. They power form validation, data cleaning, URL parsing, and almost every dynamic UI you’ve ever built.

Write a JavaScript function to get a guid (an acronym for 'Globally Unique Identifier'?) of the specified length, or 32 by default. ... Click me to see the solution. ... Write a JavaScript program to check if a given string contains alphanumeric characters that are palindromes regardless of special characters and letter case.

September 22, 2025 - These programs aren’t just academic — they cover the core concepts of JavaScript you’ll use daily: Strings (palindrome, longest word, reverse, anagram check) ... By practicing them, you’ll not only ace JavaScript interviews but also strengthen your problem-solving skills for real-world coding tasks.

February 16, 2026 - JavaScript Algorithms and Data Structures Masterclass by Colt Steele for JavaScript programmers · Mastering Data Structures & Algorithms using C and C++ for those who are good at C/C++ 5. Grokking the Coding Interview: Patterns for Coding Questions Forget about the hundreds of Leetcode problems. Master these 15 underlying patterns to interview questions, and you’ll be able to tackle anything you face on the interview ... A good thing about the string data structure is that if you know the array data structure, you can easily solve string-based problems because strings are nothing but a character array.

Mostly Asked String Coding Interview Questions | String Programs (Problems) for Practice 🚀 - RecursiveSharma/StringCodingQuestions

July 27, 2022 - I got lucky and had a technical interview with recruiting company that was recruiting for a local company hiring for PHP developer which I failed, I was lucky to make it to a technical interview normally I dont get them. The problem sets in this [backend interview] (ive included my solutions)(https://github.com/KravMaguy/Technical-interview/tree/master/Backend interview) were all easy except the last one, which I could not do: for the example ignore the part about the padding with the d...

2 weeks ago - Almost there... just a few more seconds

February 10, 2025 - The general-purpose core of the language has been embedded in Netscape, Internet Explorer, and other web browsers. The data types supported by JavaScript are: String- This data type is used to represent a sequence of characters.

These top 50 JavaScript interview questions and answers will help an interviewee to thoroughly practice and prepare for their interview. Basic JavaScript questions cover concepts like data types, variables and scoping, array, string manipulation, OOP (Object Oriented Programming), control flow, error handling, DOM manipulation, and asynchronous programming.