gistfile1.txt

		<script type='text/javascript'>
				function _id(e){return document.getElementById(e)}

				_id('myfile').onchange = function(){
					var theFile = this.files;
					
					if(theFile.length === 1){
				
						
						var uploader = new XMLHttpRequest();
						var file = new FormData();
						
						
						uploader.onreadystatechange = function(){
							if(uploader.readyState ===4 && uploader.status === 200){
								console.log(uploader.responseTeXt);								
							}
						}
						uploader.open('POST','uploadfile.php',true);
						uploader.send(file);
						alert('上傳1個檔案成功');
		
					}else{
						
						var start = 0,
						setter,
						buff=true;	

						setter = setInterval(function(){
							if(buff === true){
								buff = false;
								var uploader = new XMLHttpRequest();
								var file = new FormData();
								file.append('file',theFile[start]);
								
								uploader.onreadystatechange = function(){
									if(uploader.readyState === 4 && uploader.status === 200){
										console.log(uploader.responseTeXt);
										clearInterval(setter);
									}
								}
								alert('上傳'+theFile.length+'個檔案成功');
								uploader.open('POST','uploadfile.php',true);
								uploader.send(file);
					
							}
														
						},500);
						
					}	
					
					window.location.reload();
				}
				</script>