Q361. What is the purpose of the freeze method?
Below are the main benefits of using freeze method, 1. It is used for freezing objects and arrays. 2. It is used to make an object immutable.
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Q362. Does React support all HTML attributes?
As of React 16, both standard or custom DOM attributes are fully supported. Since React components often take both custom and DOM-related props, React uses the camelCase ...
Q363. Why do I need to use the freeze method?
In the Object-oriented paradigm, an existing API contains certain elements that are not intended to be extended, modified, or re-used outside of their current context. He...
Q364. When component props defaults to true?
If you pass no value for a prop, it defaults to true. This behavior is available so that it matches the behavior of HTML. For example, below expressions are equivalent, `...
Q365. How do you detect a browser language preference?
You can use the navigator object to detect a browser language preference as below, ```javascript var language = (navigator.languages && navigator.languages[0]) || // Chro...
Q366. What is NextJS and major features of it?
Next.js is a popular and lightweight framework for static and server‑rendered applications built with React. It also provides styling and routing solutions. Below are the...
Q367. How to convert a string to title case with javascript?
Title case means that the first letter of each word is capitalized. You can convert a string to title case using the below function, ```javascript function toTitleCase(st...
Q368. How do you pass an event handler to a component?
You can pass event handlers and other functions as props to child components. The functions can be passed to child component as below, ```jsx function Button({ onClick })...
Q369. How do you detect if javascript is disabled on the page?
You can use the `` tag to detect whether JavaScript is disabled or not. The code block inside `` gets executed when JavaScript is disabled, and is typically used to displ...
Q370. How to prevent a function from being called multiple times?
If you use an event handler such as **onClick or onScroll** and want to prevent the callback from being fired too quickly, then you can limit the rate at which callback i...