shipping and handling fee calculation
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Published on 2012-12-04T00:44:36Z
Indexed on
2012/12/08
23:05 UTC
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JavaScript
Here is the question: Many companies normally charge a shipping and handling fee for purchases. Create a Web page that allows a user to enter a purchase price into a text box - include a JavaScript function that calculates shipping and handling. Add functionality to the script that adds a minimum shipping and handling fee of $1.50 for any purchase that is less than or equal to $25.00. For any orders over $25.00, add 10% to the total purchase price for shipping and handling, but do not include the $1.50 minimum shipping and handling fee. After you determine the total cost of the order (purchase plus shipping and handling), display it in an alert dialog box.
I am beginner at JavaScript and struggling to get my code to work. It does display an alert box with the value entered by the user but doesn't add anything. Although, I don't know why the formula doesn't work. Please help.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Calculating Shipping & Handling</title>
<script type="text/javascript">
/* <![CDATA[ */
var price=[];
var shipping=[];
var total=price+shipping;
function calculateShipping(){
if (price <= 25){
shipping = (price + 1.5);
}
else {
shipping = (price * 10 / 100);
}
window.alert("The purchase price with shipping is "
+ document.calculate.ent.value);
}
/* ]]> */
</script>
</head>
<body>
<form name ="calculate" action="" >
<p>Enter Purchase Price</p>
<input type="text" name="ent" >
<input type="button" name="button" value="Submit" onClick="calculateShipping()" />
</form>
</body>
</html>
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