<script>
document.all.getElementById("divId").style...="";
document.all.getElementsByName("divName").style...="";
</script>
<div id='divId' name='divName'></div>
document.all.getElementById("divId").style...="";
document.all.getElementsByName("divName").style...="";
</script>
<div id='divId' name='divName'></div>
getElementByName("name1")
<script>
document.getElementById("divId").style...="";
document.getElementsByName("divName").style...="";
</script>
<div id='divId' name='divName'></div>
<script>
document.getElementById("divId").style...="";
document.getElementsByName("divName")[0].style...="";
</script>
<div id='divId' name='divName'></div>
而是getElementsByName 返回多个同名元素,document.getElementsByName('div1').item(0);