In my upcoming JavaScript project, I am looking to determine the accessibility of the clipboard. Particularly in Firefox where specific permissions need to be granted for each site in order to use certain functions like execCommand with cut, copy or paste attributes. This is crucial information that I must have for my project.
One approach you can take is attempting to save data to the clipboard. If this operation fails, then it indicates that the clipboard is not accessible.
try
{
// Utilize a specific library to store information in the clipboard.
}
catch (ex)
{
alert("It appears that your browser is restricting access to the clipboard.");
}
In Chrome and Firefox, access to the clipboard is not allowed by default. Pure javascript cannot achieve this in browsers other than Internet Explorer; a Flash-shim is required.
For guidance on achieving cross-browser compatibility, check out this article.
A recommended library for clipboard functionality is Zeroclipboard.
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