JavaScript is also great for optimising responsiveness for mobile users.'Related: Web Developer Resume Example (with Writing Steps and Tips) 4. What function does strict mode have in JavaScript?Strict mode is a new feature in ECMAScript 5. Employers may focus a question on this to evaluate ...
To avoid this, add a question mark at the end of each item being accessed. This tells Javascript to useoptional chaining. When using optional chaining, if the object being accessed isundefined, the entire operation short circuits and evaluates toundefined. ...
2.Write a function that takes an array of objects and a key, and returns a new array sorted based on the values of that key in ascending order. By asking this question, hiring managers analyze how well the candidate can discuss the sorting algorithm and its time complexity. It’s also ...
As shown here, this becomes more than just a stylistic preference in JavaScript.7. What will the code below output? Explain your answer. console.log(0.1 + 0.2); console.log(0.1 + 0.2 == 0.3); View answer An educated answer to this question would simply be: “You can’t be sure. ...
Please let me know if I have missed any important JSP interview question, I will be adding more to the list in the future.Thanks for learning with the DigitalOcean Community. Check out our offerings for compute, storage, networking, and managed databases. Learn more about our products...
In your list of Django interview questions for experienced developers, keep this question as it often asked.Django includes a “signal dispatcher” to notify detached applications when a framework action occurs. Signals allow specific senders to inform a group of receivers that something has happened...
Java 8 has been released in March 2014, so it’s one of the hot topics in java interview questions. If you answer this question clearly, it will show that you like to keep yourself up-to-date with the latest technologies. Java 8 has been one of the biggest releases after Java 5 anno...
If you don't know how to solve the task or answer the question, do not panic. It happens to everyone, even pro Front-End developers.Showcase your skills and projects:They would like to see projects to understand your work better. You can include current projects in your portfolio even ...
The next example is my typical interview question. I will use it to demonstrate how one can solve the problem step by step, then write same solution using JavaScript. I will also show how it can be developed by writing unit tests first....
Question-2 :async function getValue(){ return 'i love javascript' } const result2 = getValue(); console.log(result2); // Answer : Promise {' i love javascript'}Since getValue is an async function and returns a promise due to the use of the async keyword, the return value is a ...