Javascript-objects Questions

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Length of a JavaScript object

I have a javascript object. is there a built-in or accepted best practice way to get the length of this object? const myobject =
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Objects: Value always undefined

I am working on some keybinding functionality and came across something that is quite confusing to me. i am doing some regex validation

How does < and > operators works

I recently got into a golf kata that asked to check if a letter is uppercase or not in no more than 9 characters. the users answers were
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