<script type="text/javascript">? var num=0;? function startCount() {? ? document.getElementById('count').value=num;? ? num=num+1;? ? ? setTimeout("startCount()",1000);? }? setTimeout("startCount()",1000);</script></head><body><form><input type="text" id="count" ?onClick="startCount()"/></form></body></html>
哪里出問題了?
li274058914
2015-12-16 16:38:03
