<html>
<body>
<h1>Document 对象</h1>
<h2>addEventListener() 方法</h2>
<p>如何为 addEventListener() 方法传参:</p>
<p>单击文档中的任意位置可执行计算。</p>
<p id="demo"></p>
<script>
let p1 = 5;
let p2 = 7;
document.addEventListener("click", function() {
myFunction(p1, p2);
});
function myFunction(a, b) {
let result = a * b;
document.getElementById("demo").innerHTML = result;
}
</script>
</body>
</html>