React Basic
React is mainly used for building ___.
The lifecycle methods are mainly used for ___.
___ can be done while multiple elements need to be returned from a component.
Which is the right way of accessing a function fetch() from an h1 element in JSX?
Which of the following methods in a React Component should be overridden to stop the component from updating?
What is used to pass data to a component from outside?
Which of the following methods in a React Component is called after the component is rendered for the first time?
Which of the following is the correct syntax for a button click event handler foo?
What will happen if you call setState() inside render() method?
What will happen if the following render() method executes?
let langs = ["Ruby","ES6","Scala"]
return (<div>
{langs.map(it => <p>{it}</p>)}
</div>)
}
How do you write an inline style which specifies the font-size:12px and color:red; in JSX?
What advantages does ReactJS have?
What is state in React?
What is ReactJS?
What are the two ways that data gets handled in React?
What disadvantages does ReactJS have?
Choose the right answer about JSX.
React merges the object provided into the current state using ___.
The arbitrary inputs of components are called ___.
Ref is used for referring an element or component returned by ___.
