Property 'style' does not exist on type 'Element'.ts(2339)
// Cast to the type of `HTMLElement`
const el = document.getElementById('whatever') as HTMLElement;
el.style.paddingTop = ...;
// Or, if it is an array
const els = document.getElementsByClassName('my-class') as HTMLCollectionOf<HTMLElement>;Property 'of' does not exist on type 'typeof Observable'.
import { of } from 'rxjs';Property 'value' does not exist on type 'HTMLElement'.
document.getElementById() returns the type HTMLElement which does not contain a value property.
The subtype HTMLInputElement does however contain the value property.
So a solution is to cast the result of getElementById() to HTMLInputElement like this:
var inputValue = (<HTMLInputElement>document.getElementById(elementId)).value;
<> is the casting operator in typescript.
See TypeScript: casting HTMLElement: https://fireflysemantics.medium.com/casting-htmlelement-to-htmltextareaelement-in-typescript-f047cde4b4c3
The resulting javascript from the line above looks like this:
inputValue = (document.getElementById(elementId)).value;
i.e. containing no type information.Property 'style' does not exist on type 'Element'
const node = document.querySelector<HTMLElement>(element);Copyright © 2021 Codeinu
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