HTMLInputElement: defaultValue property - Web APIs | MDN
Value
A string representing the default, or original, value of the <input> element.
Example
Given the following HTML:
html
<label for="planet">Which planet were you born on?</label>
<input id="planet" type="text" value="Azarath" />
The following will provide the same results, no matter what the user enters into the text input.
js
const inputElement = document.querySelector("#planet");
console.log(`Original value: ${inputElement.defaultValue}`); // "Original value: Azarath"
Specifications
| Specification |
|---|
| HTML # dom-input-defaultvalue |