typeof variable javascript code example

Example 1: type of variable js

// get type of variable

var number = 1
var string = 'hello world'
var dict = {a: 1, b: 2, c: 3}

console.log(typeof number) // number
console.log(typeof string) // string
console.log(typeof dict)   // object

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

Example 5: javascript check type of variable var

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