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jimmywarting/mod.js

Last active February 20, 2024 21:13
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Reading a blob synchronous in javascript
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mod.js
const blob = new Blob(['123'])
const xhr = new XMLHttpRequest()
const url = URL.createObjectURL(blob)
// required if you need to read binary data:
xhr.overrideMimeType('text/plain; charset=x-user-defined')
xhr.open('GET', url, false)
xhr.send()
const uint8 = Uint8Array.from(xhr.response, c => c.charCodeAt(0))
const text = new TextDecoder().decode(uint8)
const arrayBuffer = uint8.buffer
const json = JSON.parse(text)
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