源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu教程(wfuyu.com)</title> </head> <body> <p id="demo">单击按钮显示数组。</p> <button onclick="myFunction()">点我</button> <script> function myFunction(){ var str="a,b,c,d,e,f"; var n=str.split(","); document.getElementById("demo").innerHTML=n[0]; } </script> </body> </html>
运行结果：