Intermediate JavaScript interview questions and answers 1. What is the outcome of 4+2+"8"?Hide Answer The 4 and 2, in this case, behave as integers, and "8" behaves like a string. Therefore 4 + 2 equals 6. The output is 6+"8" = 68. 2. What keywords are used to handle the ...
<!-- location. href="https://www.guru99.com/javascript-interview-questions-answers.html"; //--> 34. What is the data type of variables in JavaScript?All variables in JavaScript are object data types.35. What is the difference between an alert box and a confirmation box?An alert box ...
JavaScript is the programming language of the Web. JavaScript is easy to learn. This tutorial will teach you JavaScript from basic to advanced. Start learning JavaScript now » Examples in Each Chapter With our "Try it Yourself" editor, you can edit the source code and view the result. ...
Javascript is a simple object-oriented programming language to gain deeper insights of it you can read oops interview questions. What did you think of our list of the 27 best JavaScript frameworks for 2025? Leave your comments below to let us know if your favorite JavaScript framework made it ...
The best way we learn anything is by practice and exercise questions. We have started this section for those (beginner to intermediate) who are familiar withJavaScript. Hope, these exercises help you to improve your JavaScript coding skills. Currently following sections are available, we are workin...
Users can develop robust web applications without JavaScript frameworks, but leveraging benefits like a template that handles basic programming patterns can help immensely. Whenever you begin developing an application using frameworks, you can avoid writing the same features code again. Instead, you can...
I spent some time searching Google for relevant questions, but it was hard to find useful answers. Then I... JAVASCRIPT REACT WEBPACK DWTV18.X React Native for Android: Basic Knowledge Before Coding Mar 27, 2017 Miscellaneous React Native is a JavaScript framework that...
Basic Programming Skills (HTML & JavaScript) (Optional) Bonus Levels requires you to install Node.js What is Software Testing? Software testing is the process of evaluating a software item to detect differences between the expected output and the actual output. Testing assesses the quality of the...
The language is easy to learn. You just need a basic understanding of object-oriented programming. If you’re getting ready for job interviews, it’s important to know these OOP ideas well. You should also look over typicalOOPs interview questionsto make sure you really understand them. ...
however we always approach our JavaScript code a "defensive programming" perspective because we know from experience that banking on the "happy path" in JS code is like driving without a seatbelt; you might be "fine" most of the time, but when something "bad" happens, you will go flying ...