hello world using javascript code example

Example 1: Javascript how to run hello world

var msg = "hello world";
console.log(msg);

Example 2: hello world javascript

// Output Hello World! in the console.
console.log("Hello World!");

Example 3: javascript hello world

I would do something like this:

<script>
  alert("Hello World!");
</script>

Example 4: javascript hello world

console.log("hello world");