Which of the following statement is/are false about React JS? a. React JS uses phantom js to render the webpages on server-side b. React JS is a framework c. React JS improves the performance of the applications by using the concept of virtual DOM d. In React JS, the data flow will happen in a single direction a, b and d Both b and d Both a and b Only b
Question
Which of the following statement is/are false about React JS?
a. React JS uses phantom js to render the webpages on server-side
b. React JS is a framework
c. React JS improves the performance of the applications by using the concept of virtual DOM
d. In React JS, the data flow will happen in a single direction
a, b and d
Both b and d
Both a and b
Only b
Solution
The false statements about React JS are:
a. React JS uses phantom js to render the webpages on server-side b. React JS is a framework
So, the correct answer is "Both a and b".
Here's why:
a. React JS does not use Phantom JS for server-side rendering. Instead, it uses Node.js for server-side rendering.
b. React JS is not a framework; it's a JavaScript library for building user interfaces, primarily for single-page applications.
c. This statement is true. React JS does improve the performance of applications by using the concept of a virtual DOM. The virtual DOM is a lightweight copy of the actual DOM, and React uses it to determine what changes need to be made to the actual DOM, which improves performance.
d. This statement is also true. In React JS, data flows in a single direction, from parent components down to child components. This unidirectional data flow makes the application easier to understand and debug.
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