typeof object in javascript code example

Example 1: javascript typeof shows object

What value it has 	 			What the output shows you 
 						when you write |console.log(typeof(variable);
Undefined:						"undefined"
Null:							"object"
Boolean:						"boolean"
Number:							"number"
String:							"string"
Function object:				"function"
E4X XML object:					"xml"
E4X XMLList object:				"xml"
NodeList						"Nodelist [more data]"
HTMLCollection					"HTMLCollection(1) [more data]"

Example 2: check data type in javascript

typeof("string"); //string
typeof(123); //number

Example 3: typeof in js

var someValue = 'this is string';
console.log(typeof(someValue)); // this will return string

Example 4: typeof in js

typeof("iAmAString");//This should return 'string'
//NO camelCase, as it is a JS Keyword