https://github.com/jgthms/picknplace.js/
Linked in page is 404.
Your link is 404 (is that what you meant?)
Their page uses https://jgthms.com/picknplace.js/picknplace.js
Sorry, it's public now.
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Your link is 404 (is that what you meant?)
Their page uses https://jgthms.com/picknplace.js/picknplace.js