<!DOCTYPE html>
<html>
<body>
<input type="reset" id="myReset">
<p>单击“试一试”按钮可禁用重置按钮。</p>
<button onclick="myFunction()">试一试</button>
<script>
function myFunction() {
document.getElementById("myReset").disabled = true;
}
</script>
</body>
</html>