HTMLInputElement: minLength property - Web APIs | MDN
Value
A number representing the element's minlength if present or -1.
Example
Given the following HTML:
html
<p>
<label for="password">Your password</label>
<input id="password" type="password" minlength="8" maxlength="20" />
</p>
You can use the minLength property to retrieve or set the <input>'s minlength attribute value:
js
const inputElement = document.querySelector("#password");
console.log(`Element's minLength: ${inputElement.minLength}`); // "Element's minlength: 8"
inputElement.minLength = 12; // updates the element's minlength attribute value
Specifications
| Specification |
|---|
| HTML # dom-input-minlength |