In this program, at first, on the webpage, there is a file preview container with a cloud icon and an upload button. When you click on the choose a file button there will open a new window to select an image or file. After selecting the file, the preview of that file is shown on the preview container. And when you hover on the file, the name of that file will appear on the bottom side of the preview container. There is also shown a cancel button (cross-sign) and when you click on that button, the preview file which you selected will be hidden or canceled.
You can download the source code files through the given link. Click here to download source code files.