JavaScript Questions Blog

Why you can't update props in React?

October 27, 2022

1609

How to inject the dynamic script in angular?

October 26, 2022

745

How to evaluate multiple expressions in one line?

October 26, 2022

2662

How to focus an input element on page load in React?

Learn how to focus an input element on page load in React using the useRef and useEffect hooks.

October 26, 2022

8834

What is a service worker and its role in Angular?

October 25, 2022

296

What is Hoisting?

October 25, 2022

1725

What are the possible ways of updating objects in state?

October 25, 2022

2608

What are the design goals of service workers?

October 24, 2022

186

What's the difference between `undefined` and `null`?

October 24, 2022

3305

How can we find the version of React at runtime in the browser?

October 24, 2022

625

What are lifecycle hooks available?

October 23, 2022

1128

October 23, 2022

1446

Why should we not update the state directly?

October 23, 2022

3370

What are the differences between AngularJS and Angular with respect to dependency injection?

October 22, 2022

170

What are Closures?

October 22, 2022

1545

What are the approaches to include polyfills in your `create-react-app`?

October 22, 2022

1586

What is Angular Ivy?

October 21, 2022

534

What are the falsy values in JavaScript?

October 21, 2022

961

How to use https instead of http in create-react-app?

October 21, 2022

1631

What are the features included in ivy preview?

October 20, 2022

204

Trending

1. How to programmatically trigger click event in React?2. What is the purpose of push() and replace() methods of history object?3. What is ngcc in Angular Ivy and why is it important?4. How to update a component every second in ReactJS?5. How to pretty print JSON with React?