js获取上传文件的大小和名称

上传：<input type="file"  style="width: 500px;" onchange="fileChange(this);"/>

	<script type="text/javascript">
		
		function fileChange(target){
			var isIE = /msie/i.test(navigator.userAgent) && !window.opera;//兼容IE6以上的版本
			var fileSize = 0;
			var fileName = null;
			if(isIE && !target.files){
				var filePath = target.value;
				var fileSystem = new ActiveXObject("Scripting.FileSystemObject");
				var file = fileSystem.GetFile(filePath);
				fileName = file.Name;
				fileSize = file.Size;
			}else{
				fileSize = target.files[0].size;
				fileName = target.files[0].name;
			}
			var size = fileSize / 1024 / 1024;
			alert('fileSize:'+fileSize+'M');
			alert('fileName:'+fileName);
		}
		$(document).ready(function(){
			
		});
	</script>

js获取上传文件的大小和名称

原文：http://blog.csdn.net/pleasurehappy/article/details/45879635