Answers for "js typeof variable"

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

javascript find type of variable

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

if(typeof bar === 'number') {
   //whatever
}

how to use typeof in javascript

//typeof() will return the type of value in its parameters.
//some examples of types: undefined, NaN, number, string, object, array

//example of a practical usage
if (typeof(value) !== "undefined") {//also, make sure that the type name is a string
  	//execute code
}

typeof javascript

var miFuncion = new Function("5+2")
var forma = "redonda"
var tamano = 1
var hoy = new Date()


typeof miFuncion === 'function'
typeof forma === 'string'
typeof tamano === 'number'
typeof hoy === 'object'
typeof noExiste === 'undefined'

typeof in js

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

check data type in js

var x = "Hello World";
typeof x; // "string"