how to put a check for typeof string in js code example

Example 1: 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 2: check data type in js

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