一、代码如下
二、运行效果如下
<!DOCTYPE html> <html> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <body> <h1>我的第一张网页</h1> <p id="demo"></p> <script> var x = 9; var y = 5; var z = x % y; //结果为4 document.getElementById("demo").innerHTML = z; </script> </body> </html>