How is it when using the prop in Talker.js to Button.js that, Button.js doesn’t need to require Talker.js with a module.expert = Talker; , but yet Talker.js needs to require Button.js to use the Button component in Button.js? Please explain. In other words how is the Button component in Button.js able to use the prop(talk) from Talker.js when Button.js is not require Talker.js
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