HOW TO USE A JAVASCRIPT IN A WEBPAGE

1.JUST MAKE A WEB PAGE USING HTML.

2.IN HEAD TAG, JUST TYPE <SCRIPT></SCRIPT>

3.THEN MAKE IN THEM WRITE 

FUNCTION HELLO()

{

ALERT("hello viewers");

}

4. IN BODY SECTION JUST TYPE 

<INPUT TYPE="BUTTON" VALUE="CLICK IT" ONCLICK="HELLO()"/>

5. SAVE THE WEBPAGE AND THEN CLICK ON THE PAGE HERE U GO.