How to preview and validate image before uploading in javascript.

JavaScript tutorial. It is a good practice to show the user a preview of a selected image, and validate the image before uploading to the server. It saves the users time. Download files to follow along: https://digitalfox-tutorials.com/youtube-files/image-preview.zip Learn about the…

How to preview and validate image before uploading in javascript.

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JavaScript tutorial.
It is a good practice to show the user a preview of a selected image,
and validate the image before uploading to the server.
It saves the users time.

Download files to follow along:
https://digitalfox-tutorials.com/youtube-files/image-preview.zip

Learn about the FileReader API:
https://developer.mozilla.org/en-US/docs/Web/API/FileReader

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