Ask ten people to write a hello world in js, and they all will do it, and do it the exactly same way - this is great for a production language. On that point, JS is as good as C/Cxx The downside - ask 10 people for an example of proper use of advanced oop in js, and out of these 10 you will get 5 passible anwers all of which will be drastically different - horrid thing for production
document.write("hello world");
document.querySelector("body").innerHTML = "hello world";
alert("hello world"); prompt("hello world");
console.log("hello world"); console.info("hello world"); console.warn("hello world");
process.stdout.write("hello world");