Useref react typescript

const inputRef = React.useRef<HTMLInputElement | null>(null);

Useref input typescript

const input = React.useRef<HTMLInputElement>(null);

Source: carlrippon.com

Useref input typescript

const element = React.useRef<ElementType>(null);

Source: carlrippon.com

Useref in react typescrpt

// create refernce for element
let refName= useState<HTMLDivElement>(null)
//usage
<div ref={refName} className=""></div>
// access in useEffect 
refName.current

Useref typescript

import { useRef, useLayoutEffect } from "react";

//HTMLInputElement || define the type of element
const element = useRef<HTMLInputElement>(null);

useLayoutEffect(() => {
//object can be null
  if (element.current !== null) {
    element.current.focus();
  }
});

Similar codes

2 votes143 views1 answer
Typescript valueof object
TypeScript
0 vote144 views1 answer
How-do-i-navigate-to-a-parent-route-from-a-child-route
TypeScript
1 vote144 views1 answer
According to all known laws of aviation
TypeScript
0 vote144 views1 answer
Firebase not found in envirorment.ts file angular
TypeScript
4 votes152 views3 answers
Find iemts in object of array mongodb
TypeScript
1 vote138 views1 answer
Create an ordered list of the top 3 things cats hate the most.
TypeScript
0 vote150 views1 answer
Difference known_hosts authorized_keys
TypeScript
0 vote181 views1 answer
Typescript iterate over interface
TypeScript
0 vote162 views1 answer
Test coverage techniques
TypeScript
0 vote141 views1 answer
.htaccess Forcing scripts to display as source code
TypeScript