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?

Question

Admin · Accepted Answer

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

Admin · Answer

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

Admin · Answer

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

Admin · Answer

mode strict = (function { });

Q. 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?

Explanation by: Admin

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