菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>

<p>点击按钮每 2 秒输出 "Hello"。</p>

<p>实例中，我们也会输出传递给 alertFunc() 函数的参数 ( 兼容所有浏览器 )。</p>

<button onclick="myStartFunction()">开始</button> <button onclick="myStopFunction()">停止</button>

<p id="demo"></p>

<p id="demo2" style="color:red;"></p>

<script>
var myVar;

function myStartFunction() {
    myVar = setInterval(function(){ alertFunc("Runoob", "Google"); }, 2000);
}

function alertFunc(param1, param2) {
    document.getElementById("demo").innerHTML += "Hello ";

    document.getElementById("demo2").innerHTML = "传递给 alertFunc() 的参数: <br>" 
    + param1 + "<br>" + param2 + "<br>";
}

function myStopFunction() {
    clearInterval(myVar);
}
</script>
</body>
</html>
              