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typeof "" // Returns "string"
typeof "John" // Returns "string" typeof "John Doe" // Returns "string" typeof 0 // Returns "number" typeof 314 // Returns "number" typeof 3.14 // Returns "number" typeof (3) // Returns "number" typeof (3 + 4) // Returns "number" <script> let car; document.getElementById("demo").innerHTML = car + "<br>" + typeof car; </script> Ottiene undefined |