12.14笔记

Javasript：

getElementsByName返回元素的数组,

getElementById返回元素,

<input name="test" type="text" value="dsa" id="test"/>
<script>
    function $(name){
        return document.getElementsByName(name);
    }
    alert($('test')[0].value);
</script>

转载于:https://www.cnblogs.com/haungxiaonian/p/6179674.html