Evaluating "()" in node.js causes wierd behavior, but the browser says a syntax error (error in node.js?)

Question

When I evaluate the expression "()" in node.js (without quotes), it distorts the environment. The global object is broken and nothing works. When I evaluate the same express in the browser console, it reports a syntax error. From my research, it seems that the browser is correct. Is this a bug in the parser of a node.js expression? Can someone explain what is happening under the hood? Here is a screenshot

Answer 1

() JavaScript syntax is not valid per se.

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> () => { // this isn't valid syntax by itself
... }     // but you can complete a valid expression like this

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Answer 2

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Uncaught SyntaxError: Unexpected token )

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2

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> eval("()")
SyntaxError: Unexpected token )

Answer 3

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