<!DOCTYPE html> <html> <body> <h1>Element 对象</h1> <h2>click() 方法</h2> <p>将鼠标悬停在复选框上可模拟鼠标单击。</p> <form> <input type="checkbox" id="myCheck" onmouseover="myFunction()"> </form> <script> function myFunction() { document.getElementById("myCheck").click(); } </script> </body> </html>