<html>
<body>
<input name="test" id="test" value="鼠标移动到这里停泊焦点,点击文字消失" onMouseOver="this.focus()" onclick="this.value=''">
</body>
</html>你试试
<body>
<input name="test" id="test" value="鼠标移动到这里停泊焦点,点击文字消失" onMouseOver="this.focus()" onclick="this.value=''">
</body>
</html>你试试
<body >
<input name= "test " id= "test " value= "鼠标移动到这里停泊焦点,点击文字消失 " onMouseOver= "this.focus() " onclick= "this.value= ' ' " >
</body >
</html > 你试试