The HTMLOutputElement.labels read-only property returns a NodeList of the <label> elements associated with the <output> element.
A NodeList containing the <label> elements associated with the <output> element.
<label id="label1" for="test">Label 1</label>
<output id="test">Output</output>
<label id="label2" for="test">Label 2</label>const output = document.getElementById("test");
for (const label of output.labels) {
console.log(label.textContent); // "Label 1" and "Label 2"
}