In Node.js, blob data returns in a readableStreamBody. The following Node.js example downloads a blob to a string with BlobClient.download method. This method is only available in the Node.js runtime: async function downloadBlobToFile(containerClient, blobName, fileNameWithPath) succeeded`)

The following example downloads a blob by using a file path with the BlobClient.downloadToFile method.

To learn how to create a container, see Create a container in Azure Storage with JavaScript. Before you can upload a blob, you must first create a container. The Blob objects can also be downloaded and uploaded with the help of type. Inside onprogress we use e.loaded and e.total values to calculate the progress in percentages and the elapsed time, as well as the download speed and the remaining time.

Blobs in Azure Storage are organized into containers. The Blob is flexible: you can, also, use it as URL for , , and other tags. Download the response as a Blob object, create a DOMString, and use an anchor element to download the file.

The scenario described above is not feasible in web applications. When you try accessing that URL on your web browser, it prompts you to download the resource file whatever the file is. The examples in this article assume that you've created a BlobServiceClient object by using the guidance in the Get started with Azure Blob Storage and JavaScript article. Click to download in the browser Let’s say you have the URL to a downloadable resource.

Javascript download blob