NOTICE: This website is no longer updated or supported - as such many of the techniques used to build it may seem antiquated in the modern day. It is preserved for historical reasons only.
<!--</script>
function sayHello()// -->
{
var theirname;
theirname = document.myform.username.value;
if (theirname != "")
document.myform.response.value="Hello "+theirname+"!";
else
document.myform.response.value="Don't be shy.";
}
<b>What's your name?</b></form>
<input type="text" name="username" id="username" size="20" />
<br /><br />
<b>Greeting:</b>
<input type="text" name="response" id="response" size="40" />
<br /><br />
<input type="button" value="Greet" onclick="sayHello();" />