const number = 42;
console.log(a, b, c);
 
let result;
  if (a > 0) {
    result = "positive";
  } else {
    result = "NOT positive";
  }
const matches = container.querySelectorAll("li[data-active='1']");
const el = document.querySelector(".myclass");
alert(document.body.id);
 
let newDiv = document.createElement("div");
 
`Fifteen is ${a + b} and
not ${2 * a + b}.`
 
const paragraph = document.body.appendChild(document.createElement("p"));
 
(async () => console.log(await resolveAfter2Seconds()))();
(async () => console.log(await resolveAfter1Second()))();
<script src="javascript.js"></script>
 
<script>
  alert("Hello World!");
</script>