2024年1月5日 Memo

Browser 中，dataURL 与 ArrayBuffer 互转

Browser 中，dataURL 与 ArrayBuffer 互转 `js const dataURL = `data:${file.mimeType};base64,${btoa( String.fromCharCode(...new Uint8Array(buffer)), )}`; const buffer = fetch(url) .then(res =>...

JavaScript

Browser 中，dataURL 与 ArrayBuffer 互转

const dataURL =
 `data:${file.mimeType};base64,${btoa(
 String.fromCharCode(...new Uint8Array(buffer)),
 )}`;

const buffer = fetch(url) .then(res => res.arrayBuffer());