JavaScript Questions Blog

Why you can't update props in React?

October 27, 2022

1466

How to inject the dynamic script in angular?

October 26, 2022

641

How to evaluate multiple expressions in one line?

October 26, 2022

2479

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

7303

What is a service worker and its role in Angular?

October 25, 2022

254

What is Hoisting?

October 25, 2022

1527

What are the possible ways of updating objects in state?

October 25, 2022

2290

What are the design goals of service workers?

October 24, 2022

168

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

October 24, 2022

3191

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

October 24, 2022

518

What are lifecycle hooks available?

October 23, 2022

1071

October 23, 2022

1318

Why should we not update the state directly?

October 23, 2022

3295

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

October 22, 2022

145

What are Closures?

October 22, 2022

1377

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

October 22, 2022

1483

What is Angular Ivy?

October 21, 2022

479

What are the falsy values in JavaScript?

October 21, 2022

895

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

October 21, 2022

1465

What are the features included in ivy preview?

October 20, 2022

191

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