<script type="text/javascript"> function showSelection(objectName){ var list=""; for(var i=0;i<objectName.length;i++){ if(objectName.option[i].selected){ list+=objectName.options[i].text+"<p>"; } } selWindow=window.open("","Selections","height=200,width=400"); selWindow.document.write("<h2>您選擇的城市是:</h2>"); selWindow.document.write(list); } </script>
js中的這個(gè)打開窗口方法后賦值個(gè)了一個(gè)變量,可是變量沒有聲明啊。這個(gè)是怎么個(gè)意思
yummy5
2014-10-19 23:21:55