localghost.github.io/fs.html at master · localghost/localghost.github.io · GitHub

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<html>
<head>
<script>
function onInitFs(fs) {

    fs.root.getFile('log.txt', {create: true}, function(fileEntry) {

            // fileEntry.isFile === true
            // fileEntry.name == 'log.txt'
            // fileEntry.fullPath == '/log.txt'

        alert('ble');
            // Create a FileWriter object for our FileEntry (log.txt).
            fileEntry.createWriter(function(fileWriter) {

                    fileWriter.onwriteend = function(e) {
                            console.log('Write completed.');
                                  };

                                        fileWriter.onerror = function(e) {
                                                console.log('Write failed: ' + e.toString());
                                                      };

                                                            // Create a new Blob and write it to log.txt.
                                                            var blob = new Blob(['Lorem Ipsum'], {type: 'text/plain'});

                                                                  fileWriter.write(blob);
                                                                  alert('written');
            });
          }, errorHandler);
}

function errorHandler(err) { alert(err.name); }


function init()
{
  window.requestFileSystem  = window.requestFileSystem || window.webkitRequestFileSystem;
window.requestFileSystem(window.TEMPORARY, 1024*1024, onInitFs, errorHandler);
}
</script>
</head>
<body>
<input type="button" value="START!" onclick="init()"/>
</body>
</html>