Answers for "how to use typeof javascript"

12

check data type in js

typeof("string"); //string
typeof(123); //number
Posted by: Guest on July-25-2020
19

type of 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
}
Posted by: Guest on April-02-2020
10

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"
Posted by: Guest on April-22-2020
5

typeof javascript

console.log(typeof 'blubber');
Posted by: Guest on April-27-2020
1

check data type in js

var x = "Hello World";
typeof x; // "string"
Posted by: Guest on May-23-2020

Code answers related to "Javascript"

Browse Popular Code Answers by Language