JavaScript Questions Blog

Why you can't update props in React?

October 27, 2022

1574

How to inject the dynamic script in angular?

October 26, 2022

730

How to evaluate multiple expressions in one line?

October 26, 2022

2621

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

8462

What is a service worker and its role in Angular?

October 25, 2022

289

What is Hoisting?

October 25, 2022

1700

What are the possible ways of updating objects in state?

October 25, 2022

2551

What are the design goals of service workers?

October 24, 2022

184

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

October 24, 2022

3296

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

October 24, 2022

588

What are lifecycle hooks available?

October 23, 2022

1112

October 23, 2022

1415

Why should we not update the state directly?

October 23, 2022

3358

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

October 22, 2022

161

What are Closures?

October 22, 2022

1515

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

October 22, 2022

1563

What is Angular Ivy?

October 21, 2022

527

What are the falsy values in JavaScript?

October 21, 2022

952

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

October 21, 2022

1576

What are the features included in ivy preview?

October 20, 2022

201

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