Edit The Code:
See Result »
Try it Yourself - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>The typeof operator returns the type of a variable or an expression.</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = typeof "john" + "<br>" + typeof 3.14 + "<br>" + typeof false + "<br>" + typeof [1,2,3,4] + "<br>" + typeof {name:'john', age:34}; </script> </body> </html>