JavaScript — from callbacks to async/await

JavaScript is synchronous. This means that it will execute your code block by order after hoisting. Before the code executes, var and function declarations are “hoisted” to the top of their scope. This is an example of a synchronous code: console.log('1')console.log('2')console.log('3')This code will reliably log “1 2 3". Asynchronous requests will wait for a timer to finish or a request to respon