<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf8"> <title>Untitled Document</title> <script language="JavaScript" src="js/prototype.js"></script> <script language="JavaScript"> function changeStyle(){ if(document.getElementById('test').style.display=='none'){ alert("show"); document.getElementById('test').style.display='block' }else{ alert("hide"); document.getElementById('test').style.display='none' } } </script> </head> <body> <input value="測試" type="button" onclick="changeStyle()"> <select type="button" value="測試" onchange="changeStyle();"> <option>1</option> <option>2</option> </select> <table> <tr> <td><!--在table中嵌套div時,必須將div放在td中,否則達不到預期效果--> <div id="test" style="display:none;"> <table> <tr> <td> <input type="text" value="1"/> </td> </tr> </table> </div> </td> </tr> </table> </body> </html>
table嵌套div時,div必須放到td中,否則達不到預期的效果;但是div嵌套table時,div中寫table、tr、td任意一個都可以正常顯示。
如果要對tr、td隱藏時,這個時候div就不起作用了,可以直接對tr、td進行隱藏,當然如果閑一行一行隱藏太麻煩了,那就試試tbody吧,把div替換成tbody將需要隱藏的tr、td放到tbody中,這樣就可以顯示和隱藏了,見代碼如下:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf8"> <title>Untitled Document</title> <script language="JavaScript" src="js/prototype.js"></script> <script language="JavaScript"> function changeStyle(){ if(document.getElementById('test').style.display=='none'){ alert("show"); document.getElementById('test').style.display='block' }else{ alert("hide"); document.getElementById('test').style.display='none' } } </script> </head> <body> <input value="測試" type="button" onclick="changeStyle()"> <select type="button" value="測試" onchange="changeStyle();"> <option>1</option> <option>2</option> </select> <table> <tbody id="test"><!--tbody替代了div的作用--> <tr> <td> <input type="text" value="1"/> </td> </tr> </tbody> </table> </body> </html>