HTMLElement refers explicitly to an HTML element whereas Element may refer to an XML element. However, HTMLElement is technically a subset of Element.

In the default TypeScript HTML app from visual studio, I added HTMLElement to the first line of the window.onload event handler, thinking that I could provide a type for "el". thus: class Gre...

I am trying to instantiate new HTMLDivElement in TypeScript var elem = new HTMLDivElement(); but the browser throws Uncaught TypeError: Illegal constructor. The workaround seems to be …

Jul 7, 2016 · const nodes = document.querySelectorAll(".link"); /** * @param {Element} node * @returns {node is HTMLElement} */ function isHTMLElement(node) { return node instanceof …

Jan 12, 2011 · For example for this.parentNode I would like to just write this.p or instead of document.getElementById('someid') just write document.g('someid'). Of course that are simple …

Dec 30, 2019 · Btw, HTMLElement is always a function, so typeof will throw you off the track and will execute the second part of the statement. You could try if you wish instanceof Object, …

1 As an extension of 's , if you utilize to augment the standard definition library's Document interface, you can add a generic override for the getElementsByName method (or for any …

Dec 21, 2019 · I need a way to determine the type of an HTML element in JavaScript. It has the ID, but the element itself could be a <div>, a <form> field, a <fieldset>, etc. How …

Oct 20, 2012 · And as far as the compiler knows, the type of document.getElementById(elementId) expression does not have value property. Only input …

Sep 2, 2016 · var value = document.getElementById("theInput").value; console.log(value); As is, I have assigned a p element with an id of "theInput", and in it I have the desired value, that I …