inputラベルfileタイプ、アップロードする複数のファイルを選択


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            xhr2  
          
              
            
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function xhr2(){ var xhr = new XMLHttpRequest();// // var file = document.getElementById('file').files; //console.log(file.length); // FormData var formData = new FormData(); //++++++++++ // for(i=0;i<file.length;i++){ formData.append("file["+i+"]", file[i]); //++++++++++ } //formData.append("file", file[0]); //++++++++++ //post xhr.open('POST', 'xhr2.php'); // xhr.upload.onprogress = function (event) {   if (event.lengthComputable) {     var complete = (event.loaded / event.total * 100 | 0);        var progress = document.getElementById('uploadprogress');     progress.value = progress.innerHTML = complete;   } }; // xhr.send(formData); // //ajax xhr.onreadystatechange = function(){ //     if ( xhr.readyState == 4 && xhr.status == 200 ) {       console.log( xhr.responseText );     }   }; // xhr.timeout = 100000; xhr.ontimeout = function(event){     alert(' !');   } }

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