JavaScript Questions Blog

Why you can't update props in React?

October 27, 2022

1420

How to inject the dynamic script in angular?

October 26, 2022

625

How to evaluate multiple expressions in one line?

October 26, 2022

2459

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

7129

What is a service worker and its role in Angular?

October 25, 2022

240

What is Hoisting?

October 25, 2022

1497

What are the possible ways of updating objects in state?

October 25, 2022

2240

What are the design goals of service workers?

October 24, 2022

162

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

October 24, 2022

3160

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

October 24, 2022

492

What are lifecycle hooks available?

October 23, 2022

1055

October 23, 2022

1292

Why should we not update the state directly?

October 23, 2022

3260

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

October 22, 2022

143

What are Closures?

October 22, 2022

1355

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

October 22, 2022

1461

What is Angular Ivy?

October 21, 2022

459

What are the falsy values in JavaScript?

October 21, 2022

888

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

October 21, 2022

1426

What are the features included in ivy preview?

October 20, 2022

190

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