01_variable.js

// variables - store, access, modify === value
// declare, assignment operator, assign value
// javascript camelCase or underscore
// case sensitive fullName and fullname
// must start with letter, % or _

// variable store
let name = 'dncode';
// access
console.log(name);

// just declare
let address, zip, city;

// assignment
address = 'street heaven';
zip = '5555';
city = 'tokyo';
console.log(address, zip, city);