id:<script>function changetext(id){?? ?id.innerHTML="Ooops!";}</script></head><body><h1 onclick="changetext(this)">點擊文本!</h1>obj:<body><div onmouseover="mOver(this)" onmouseout="mOut(this)" style="background-color:#D94A38;width:120px;height:20px;padding:40px;">Mouse Over Me</div><script>function mOver(obj){?? ?obj.innerHTML="Thank You"}function mOut(obj){?? ?obj.innerHTML="Mouse Over Me"}</script></body>
this指代的疑問，為什么有的時候用id有時用obj，如何分辨,還有其他的么
昵稱什么DE
2017-06-15 16:08:34