<!DOCTYPE html>
<html>
<body>
<p>显示 Boolean(10 > 9) 的值：</p>
<button onclick="myFunction()">试一试</button>
<p id="demo"></p>
<script>
function myFunction() {
document.getElementById("demo").innerHTML = Boolean(10 > 9);
}
</script>
</body>
</html>