How do I display a Base64 image in HTML?
atob btoa應該用於文字
JQuery-圖片上傳即時預覽
get size of JSON object
取得JSON物件的長度
Window：atob() 方法 - Web API | MDN
JS的base64解碼
Base64 Decoding In JavaScript - javatpoint
Base64 Decoding In JavaScript with javascript tutorial, introduction, javascript oops, application of javascript, loop, variable, objects, map, typedarray etc.