Typescript Complains About Htmlelement Do Not Have Value Property

TypeScript complains about HTMLElement do not have value property but when I use it in JavaScript it works fine. var inputValue: HTMLElement = document.getElementById('input1');

Solution 1:

HTMLElement doesn't have the value member, the HTMLInputElement does. You need to type assert it:

var inputValue = document.getElementById('input1') asHTMLInputElement;
console.log(inputValue.value); // should be ok

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Edit

The typescript definitions represent actual javascript dom elements, in this case for HTMLElement and HTMLInputElement.