107.Write a JavaScript program to find the number of sorted pairs formed by arrays of integers. This is such that one element in the pair is divisible by the other one. For example - The output of [1, 3, 2] ->2 - (1,3), (1,2). The output of [2, 4, 6] -> 2 - (2,...
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...
There are also practical examples of topics whose definition is known but perhaps have never been used in practice. These questions and answers can be used to prepare for an interview or for personal study and lecture.In writing the answers I was helped by AI and the book "JavaScript: The ...
Commonly Asked QuestionsHow do I get JavaScript? Where can I download JavaScript? Is JavaScript Free?You don't have to get or download JavaScript. JavaScript is already running in your browser on your computer, on your tablet, and on your smart-phone. JavaScript is free to use for everyone...
In the open Internet, how does it ensure the security of our personal information? With all kinds of doubts, I started to listen to Mr. Li Bing's "Basic Principles and Practice of Browsers". I have to say that everyone's work is simple and easy to understand. ...
Learn and practice TDD principles — they are extremely valuable for many but don’t get intimidated if they don’t fit your style, you’re not the only one. Consider writing the tests before the code in a red-green-refactor style, ensure each test checks exactly one thing, when you...
That way, we won’t need to write a lot of repetitive markup, and we can add and remove questions easily. In this example, we’ll be structuring our project using three key files: An HTML file for the basic user interface (UI). A CSS file for styling. A JavaScript file to handle ...
In JavaScript, the practice of assigning foo to x and then later in the code assigning 11 to x is perfectly acceptable, but it can drive you mad when you’re trying to figure out why you’re getting the ever-present NaN during runtime. ...
How to prepare for JavaScript coding interview questions Naturally, there’s more to a Javascript coding interview than answering programming questions. To prepare properly, you should also consider the following: Practice thinking out loud so interviewers can follow your train of thought ...
As they say, practice makes perfect—well, almost. Using JavaScript to build things can be another excellent way to gain practical experience and learn the language quickly. It helps you learn previously disconnected concepts while your brain automatically makes sense of them because they’re pieces...