<HTML> <HEAD> <TITLE>Hello World With JavaScript</TITLE> </HEAD> <BODY> <CENTER> <FORM Name="Form1" ACTION=""> <INPUT TYPE=BUTTON VALUE="Click me" NAME="BtnHello" OnClick="Hello()"> </FORM> </CENTER> <SCRIPT LANGUAGE="JavaScript"> <!-- function Hello () { alert("Hello World!") } //--> <SCRIPT> </BODY> </HTML>