What is the use of blob in JavaScript?

The Blob object represents a blob, which is a file-like object of immutable, raw data; they can be read as text or binary data, or converted into a ReadableStream so its methods can be used for processing the data. Blobs can represent data that isn’t necessarily in a JavaScript-native format.Click to see full answer. Furthermore, what is blob used for?BLOBs are used primarily to hold multimedia objects such as images, videos, and sound, though they can also be used to store programs or even fragments of code. Not all DBMSs support BLOBs.Beside above, what is a blob URL? Blob URL/Object URL is a pseudo protocol to allow Blob and File objects to be used as URL source for things like images, download links for binary data and so forth. For example, you can not hand an Image object raw byte-data as it would not know what to do with it. Similarly one may ask, what is blob file type? A Binary Large OBject (BLOB) is a collection of binary data stored as a single entity in a database management system. Blobs are typically images, audio or other multimedia objects, though sometimes binary executable code is stored as a blob. The data type became practical when disk space became cheap.Is Blob a base64?Blob to base64. An alternative to URL. createObjectURL is to convert a Blob into a base64-encoded string. That encoding represents binary data as a string of ultra-safe “readable” characters with ASCII-codes from 0 to 64.

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