HTML
CSS
JavaScript
Vue
React
Python
PHP
Java
.Net
Java9手册
PHP手册
CSS3手册
jQuery手册
源代码
在线运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(cainiaoplay.com)</title> </head> <body> <p id="demo">单击按钮显示今天周几</p> <button onclick="myFunction()">点我</button> <script> function myFunction(){ var d = new Date(); var weekday=new Array(7); weekday[0]="周日"; weekday[1]="周一"; weekday[2]="周二"; weekday[3]="周三"; weekday[4]="周四"; weekday[5]="周五"; weekday[6]="周六"; var x = document.getElementById("demo"); x.innerHTML=weekday[d.getDay()]; } </script> </body> </html>
动行结果