1
<p id="demo">点击按钮获取今年的年份。</p>2
<button onclick="myFunction()">点我</button>3
<script>4
function myFunction() {5
var d = new Date();6
var x = document.getElementById("demo");7
x.innerHTML = d.getFullYear();8
}9
</script>
<p id="demo">点击按钮获取今年的年份。</p><button onclick="myFunction()">点我</button><script> function myFunction() { var d = new Date(); var x = document.getElementById("demo"); x.innerHTML = d.getFullYear(); }</script>