React.js FAQ

Topic	Replies	Views	Activity
About the React.js FAQ category	0	959	December 30, 2017
Why can I use a ternary operator inside a JSX expression but not an if statement?	13	16771	April 20, 2024
How can we access the individual elements or values of a prop which is an array or object?	5	12966	September 29, 2021
Is using a variable to set an attribute better practice than using object properties to set attributes?	7	11798	March 14, 2023
Can we access state properties using bracket notation?	2	10012	January 19, 2021
What is an HTML-like JSX element?	2	9782	May 2, 2020
What does JSON.stringify do?	6	23488	September 5, 2023
Why sometimes import has {} and sometimes doesn't?	4	13105	November 14, 2020
What happens if I don't use this when referencing a method from inside a class?	13	8033	October 22, 2022
When should I use logic inside of render vs logic inside of the class declaration?	3	11254	November 21, 2020
Is the ReactDOM render() method the same as the component render() method?	0	10685	January 3, 2019
Are there any other HTML attributes that are reserved keywords in JavaScript that I wont be able to use in JSX?	8	19088	May 25, 2024
Why don't we set the event listener attribute value to a function call?	13	14456	January 3, 2024
Can I inject other programming languages besides JavaScript into JSX?	12	17046	September 22, 2023
Can I call multiple event handlers in response to a single event?	19	36523	March 17, 2023
Why don't I need a ReactDOM.render() for each component?	7	18822	March 16, 2022
Can we return multiple elements in the render function?	10	20565	February 10, 2022
When should I use an if statement, a ternary operator, or the && operator?	1	11803	June 30, 2024
Can I use .forEach() to create a list of JSX elements?	6	68653	December 11, 2023
Why do I get errors when I pass the method with () to the attribute?	6	4573	May 7, 2022
What if the specified container already has contents when rendering to it?	5	7977	April 23, 2021
Why would we want to use variables to set a component's attributes?	0	7059	March 23, 2019
When should I assign a variable to a JavaScript expression that I want to use in a JSX expression?	0	10449	February 17, 2019
Should we always set defaultProps for every prop value?	0	10856	January 29, 2019
Do controlled and uncontrolled just mean stateless and stateful?	2	6824	September 21, 2023
Can we pass multiple event handlers as props and choose a specific one to attach to a child component?	2	12988	July 17, 2023
How should component classes be named?	8	6665	April 7, 2023
Can I use self-closing tag syntax for any HTML elements I use in JSX?	7	10939	February 17, 2023
Can we pass the entire state object to the child component?	4	9782	January 30, 2022
Why would I use React.createElement() instead of JSX?	10	17960	November 29, 2021