HTMLInputElement: multiple property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The HTMLInputElement.multiple property indicates if an input can have more than one value. Firefox currently only supports multiple for <input type="file">.

Value

A boolean value.

Examples

html
<input id="my-file-input" type="file" multiple />
js
let fileInput = document.getElementById("my-file-input");

if (fileInput.multiple) {
  // Loop fileInput.files
  for (const file of fileInput.files) {
    // Perform action on one file
  }
  // Only one file available
} else {
  let [file] = fileInput.files;
}

Specifications

Specification
HTML Standard
# dom-input-multiple

Browser compatibility

BCD tables only load in the browser

See also