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<html><body><select> <option label="Volvo">Volvo (Latin for "I roll")</option> <option id="myOption" label="Mercedes">Mercedes (Mercedes-Benz)</option></select><p>Click the button to change the value of the label attribute of the Mercedes option.</p><p><strong>Note:</strong> It is not possible to set the label property in Firefox (only return).</p><p><b>Tip:</b> Open the drop-down list before and after you have clicked the button.</p><button onclick="myFunction()">Try it</button><p id="demo"></p><script>function myFunction() { document.getElementById("myOption").label = "newLabel"; document.getElementById("demo").innerHTML = "The value of the label attribute was changed from 'Mercedes' to 'newLabel'.";}</script></body></html>