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<!DOCTYPE html>
<html>
<body>
<p>Peter's score: <meter id="myMeter" min="0" low="40" high="95" max="100" value="65"></meter></p>
<p>Click the button to change the value of the low attribute of the gauge above.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
  document.getElementById("myMeter").low = "60";
  document.getElementById("demo").innerHTML = "The value of the low attribute was changed from '40' to '60'.";
}
</script>
</body>
</html>