check type of data javascript code example

Example 1: check data type in javascript

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

Example 2: check data type in js

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

Example 3: how to get type of variable in javascript

> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"