fmpq.com
源代码:
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> </head> <body> 搜索: <input type="search" id="mySearch"> <p>点击按钮设置搜索字段允许输入的最大字符数。</p> <p id="demo"></p> <button onclick="myFunction()">点我</button> <script> function myFunction() { document.getElementById("mySearch").maxLength = "8"; document.getElementById("demo").innerHTML = "搜索字段设置的允许输入最大字符数为 8。"; } </script> </body> </html>
运行结果