How do I pop up an alert in Javascript?

Question

How do I pop up an alert in Javascript?

I tried alert\"HELLO\" but that didn\'t work.

Can someone tell me the correct syntax?

Oh by the

Answer 1

Just add parantheses

alert("Hello");

Answer 2

<script type="text/javascript" >
  alert("hello");
</script>

Answer 3

Just add parentheses and enclosed it within the script tag.

<script type="text/javascript" >
  alert("hello");
</script>