<html>
<body>
<p>Peter's score: <meter id="myMeter" min="0" low="40" high="75" max="100" value="65"></meter></p>
<p>Click the button to change the value of the min attribute of the gauge above.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("myMeter").min = "20";
document.getElementById("demo").innerHTML = "The value of the min attribute was changed from '0' to '20'.";
}
</script>
</body>
</html>