1
<p id="demo">单击按钮显示一个UNICODE编码的字符</p>2
<button onclick="myFunction()">点我</button>3
<script>4
function myFunction() {5
var n = String.fromCharCode(65);6
document.getElementById("demo").innerHTML = n;7
}8
</script>
<p id="demo">单击按钮显示一个UNICODE编码的字符</p><button onclick="myFunction()">点我</button><script> function myFunction() { var n = String.fromCharCode(65); document.getElementById("demo").innerHTML = n; }</script>