a id="saveButton" href="#" onclick="javascript:startUpload();"Upload !!/a

1<a id="saveButton" href="#" onclick="javascript:startUpload();">Upload !!</a>

会出现手形鼠标当光标移动到link

<a id="saveButton" onclick="javascript:startUpload();">Upload !!</a>

不会出现手形鼠标当光标移动到link

1<a id="saveButton" href=javascript:startUpload();">Upload !!</a>

若在startUpload()中有 return false, 点击link后仍会继续执行.