getBinaryContent(path, callback)

Example

// loading a zip file
JSZipUtils.getBinaryContent("path/to/file.zip", function (err, data) {
   if(err) {
      throw err; // or handle the error
   }
   var zip = new JSZip(data);
});

// loading a file and add it in a zip file
JSZipUtils.getBinaryContent("path/to/picture.png", function (err, data) {
   if(err) {
      throw err; // or handle the error
   }
   var zip = new JSZip();
   zip.file("picture.png", data, {binary:true});
});

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