<SCRIPT>
tag. <SCRIPT> <!-- Begin to hide script contents from old browsers. JavaScript statements... // End the hiding here. --> </SCRIPT>
<HEAD> <TITLE>My Page</TITLE> <SCRIPT SRC="common.js"> document.write("Included JS file not found"); ... </SCRIPT> </HEAD> <BODY> ...
<input type="button" value="O.K." onClick="yn=confirm('O.K.?');if (yn) alert('Yes'); else alert('No');">