How to disable all checkboxes on load, and enable them one by one as file is selected to upload?

just need to disable the checkboxes on page load and enable them as the user selects a file to upload. For example, image is selected by user to upload for desktop so the sizes for desktop get enabled. Probably with javascript. Wallpaper Uploading Script

Select a file to Upload:








Well, you can disable them in the HTML by using the disabled attribute on the input element. To enable again, you can use Javascript and do ele.disabled = false;

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