if the specified property is in the specified object or its prototype chain
That makes it more handy than simply array length indeed - could be handy I guess, not sure I'll use it either. However I'm looking forward to start using optional chaining as it get more support, like let myCar = car?.make
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So, the
inoperator returns true if the specified property is in the specified object or its prototype chain.reference
I wouldn't recommend using it. But thank you for the datalist tag and the math tag! I had no idea those existed.
That makes it more handy than simply array length indeed - could be handy I guess, not sure I'll use it either. However I'm looking forward to start using optional chaining as it get more support, like
let myCar = car?.make