Mega Code Archive
A Function That Returns the Sum of Three Numbers (Stripped-Down Version)
<![CDATA[
/*
Learn How to Program Using Any Web Browser
by Harold Davis
Apress CopyRight 2004
ISBN: 1590591135
*/
<HTML>
<HEAD>
<TITLE>
Add three numbers
</TITLE>
<SCRIPT>
function addThreeNums (inOne, inTwo, inThree) {
var inOne = Number(inOne);
var inTwo = Number(inTwo);
var inThree = Number(inThree);
return Number(inOne + inTwo + inThree);
}
</SCRIPT>
</HEAD>
<BODY>
<FORM Name="theForm">
<INPUT Type=Text Name="num1">
<INPUT Type=Text Name="num2">
<INPUT Type=Text Name="num3">
<INPUT Type=Button Value="Add Them"
onClick='document.write("The sum of the three numbers is " +
addThreeNums(theForm.num1.value,theForm.num2.value,theForm.num3.value));'>
</FORM>
</BODY>
</HTML>
]]>