Which of the following is the correct code for invoking a...

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Which of the following is the correct code for invoking a function without this keyword at all, and also too determine whether the strict mode is in effect?

A. var strict = (function { return this; });

B. mode strict = (function() { return !this; }());

C. var strict = (function() { return !this; }());

D. mode strict = (function { });

Answer: Option C

The above code defines and invokes a function to determine if we’re in strict mode.

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