typeof function 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: js typeof number

console.log(typeof 93);
// Output = "number"

console.log(typeof 'Maximum');
// Output = 'string'

console.log(typeof false);
// Output = "boolean"

console.log(typeof anUndeclaredVariable);
// Output = "undefined"

Example 3: check data type in javascript

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

Example 4: typeof in js

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

Example 5: how to get type of variable in javascript

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

Example 6: typeof in js

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