Vanilla JS input filesize progressbar - Code example

Vanilla JS to implement Bootstrap based progressbar to indicate file size quota on frontend, supporting both multiple file inputs and single file inputs with 'multiple' atribute.

Total attached

Total size of files attached may not exceed the maximum allowed size.

0%
Max allowed: 5 MB
Standard file input that allows only one file selection.
Standard file input that allows only one file selection.
Standard file input that allows multiple file selection.
Don't worry: No files are uploaded on this example, try it easy :)