In JavaScript, the typeof operator returns the data type of its operand in the form of a string. Operand can be any object, function or variable.
Syntax:
typeof operand
OR
typeof (operand)
Examples:
Input: typeof "geeksforgeeks" Output: string Input: typeof NaN Output: number NaN is also considered as a number.
<!DOCTYPE html> <html> <body> <p id="GFG"></p> <script> document.getElementById("GFG").innerHTML = typeof "Siddharth" + "<br>" + typeof 3.14 + "<br>" + typeof true + "<br>" + typeof NaN + "<br>" + typeof [5, 10, 15, 20] + "<br>" + typeof {name:'Siddharth', age:20} + "<br>" + typeof new Date() + "<br>" + typeof function () {} + "<br>" + typeof workout + "<br>" + typeof null; </script> </body> </html> |
Output:
string number boolean number object object object function undefined object
leave a comment
0 Comments