<script type="text/javascript">var a ={a:1,b:2};for(str in a){alert(str);}</script>
这个只能遍历出:方框1:a 方框2:b
怎样才能出现: 方框1:a=1 方框2:b=2
<script type="text/javascript">var a ={a:1,b:2};for(str in a){alert(str+"="+a[str]);}</script>
正解,支持!!!