Storing a Blob will use a lot less space and resources as there is no longer a need for conversion to base64. You can even store “text/plain” objects as blobs: var blob = new Blob([‘blob object’], {type: ‘text/plain’}); var store = db.transaction([‘entries’], ‘readwrite’).objectStore(‘entries’); // Store the object var req = store.put(blob, ‘blob’); req.onerror = function(e) … Read more
I had the same problem as you. It turns out you need to convert the Excel data file to an ArrayBuffer. var blob = new Blob([s2ab(atob(data))], { type: ” }); href = URL.createObjectURL(blob); The s2ab (string to array buffer) method (which I got from https://github.com/SheetJS/js-xlsx/blob/master/README.md) is: function s2ab(s) { var buf = new ArrayBuffer(s.length); var … Read more
Blob URLs (ref W3C, official name) or Object-URLs (ref. MDN and method name) are used with a Blob or a File object. src=”blob:https://crap.crap” I opened the blob url that was in src of video it gave a error and i can’t open but was working with the src tag how it is possible? Blob URLs … Read more