how to check types in javascript code example

Example 1: check type javascript

console.log(typeof "how are you?")
"string"
console.log(typeof false) / console.log(typeof true)
"boolean"
console.log(typeof 100)
"number"

Example 2: check data type in js

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