<table width= "100% " border= "1 " cellspacing= "0 " cellpadding= "0 " id= "try ">
<tr>
<td> press to get it. </td>
</tr>
</table>

?

对id= "try "而言，

innerhtml: 不包括本身，

<tr> 
 <td> press to get it. </td> 
 </tr>

?

outerhtml:包括本身：

 <table width= "100% " border= "1 " cellspacing= "0 " cellpadding= "0 " id= "try "> 
 <tr> 
 <td> press to get it. </td> 
 </tr> 
</table>