How can i write an html code to add marks then average using <h1> tag?

Answer 1

Try doing this:

<h1 id="h1" >

</h1>
<script>
var
a = Number(prompt()),
b = Number(prompt()),
c = Number(prompt());
document.getElementById("h1").innerHTML =
Number((a+b+c)/3)
</script>

Answer 2

JS is needed for this...

Answer 3

Displaying a html code using JS works like this:

<div id="output"></div>
<script>
document.getElementById("output").innerHTML = "<h1>TEXT</h1>";
</script>

Answer 4

Thank you

Answer 5

Thank you

Answer 6

write java script program having five marks compute its total and average and display them in a web page using <h1> tag.