node js typeof object code example
Example 1: javascript check type of variable var
// You can use the built-in method 'typeof' in order to check the variable datatype
//examples:
typeof "hello" // "string"
//or
var a = 1;
typeof(a);
//the output will be > 'number'
Example 2: check data type in js
var x = "Hello World";
typeof x; // "string"