react.js

Question 1

how many outer elements should a jsx expression have?

Answer 1

only one , to make sure that theres only one ,wrap it all inside a div tag or an empty tag

Question 2

what about self closing tags is important in jsx

Answer 2

always include a slash in the end to not get errors ex : <img></img>

Question 3

how do i add regular js inside jsx

Answer 3

use curly braces ex:

<h1>{myVariable}</h1>

Question 4

what is the && operator in react

Answer 4

the expression to the right of the && operator only activates if the statement to the left is true else its ignored ex:
{ rich && buyBuggati}