1
<p id="demo">点击按钮显示 1 到 10 的随机数：</p>2
<button onclick="myFunction()">点我</button>3
<script>4
function myFunction() {5
var x = document.getElementById("demo")6
x.innerHTML = Math.floor((Math.random() * 10) + 1);7
}8
</script>
<p id="demo">点击按钮显示 1 到 10 的随机数：</p><button onclick="myFunction()">点我</button><script> function myFunction() { var x = document.getElementById("demo") x.innerHTML = Math.floor((Math.random() * 10) + 1); }</script>