Re: Switch() Statement Not Working

From: Hal Rosser <hmrosser@bellsouth.net>
Date: Wed Feb 01 2006 - 05:00:40 CET

<rdavis7408@gmail.com> wrote in message
news:1138734573.754310.120320@g49g2000cwa.googlegroups.com...
> Hello, I have four textboxes that the user enters the price per gallon
> paid at the pump, the mileage per gallon and I would like to then
> calculate the cost per gallon and use a switch statement to pull a
> value based on the price per gallon.
>
> For example if the price of fuel is 2.44 per gallon and the enter that
> they get 5.9 miles per gallon the cost of that mile is $.41. Then based
> on the cost per gallon of 2.44 we might pay them another $.20 per
> gallon based off of the numbers in the switch statement.
>
> The calculation worked until I added the switch statement. Why is that?
> Can anyone help?
>
> Thanks ahead of time. Below is the script:
>
> <html>
> <head>
> <title>Untitled Document</title>
> <meta http-equiv="Content-Type" content="text/html;
> charset=iso-8859-1">
> <link href="fsc.css" rel="stylesheet" type="text/css">
> </head>
>
> <body>
>
> <script language="JavaScript">
> function FuelCalculator(f)
> {
> var A;
> A= Math.round((f.ppg.value/f.mpg.value)*100);
> f.cpg.value = "$"+(A/100);
> }
>
> var b;
> b=this.form.ppg.value
> switch(b)
> {
> Case >=1.25 && <=1.30:
> this.form.dlnt.value=.01;
> Case >=1.31 && <=1.369:
> this.form.dlnt.value=.02;
> Case >=1.37 && <=1.429:
> this.form.dlnt.value=.03;
> default:
> this.form.dlnt.value=.99
>
> }
>
>
>
> </script>
>
> <form action="">
>
> <table width="351">
> <tr>
> <td width="213"> Cents per gallon:</td>
> <td width="60" > <input name="ppg" type="text"
> style="text-align:center" value="0" size="10">
> </td>
> </tr>
> <tr>
> <td>Miles per gallon:</td>
> <td> <input name="mpg" type="text" value="0" size="10"
> style="text-align:center">
> </td>
> </tr>
> <tr>
> <td>Fuel Cost Per Mile: </td>
> <td > <input name="cpg" type= "text" disabled="true" value="0"
> size="10" style="text-align:center">
> </td>
> <tr>
> <td>Dillon Fuel Surcharge Payment: </td>
> <td> <input name="dlnt" type="text" disabled="true" value="0"
> size="10" style="text-align:center">
> </td>
> <tr>
> <td colspan="2" ><input name="button" type="button"
> onClick="FuelCalculator(this.form);" value="Calclulate"> </td>
> </tr>
> <td><input name="FSC" type="button" onClick="switch(b)"
> value="FSC"></td>
>
> </table>
>
> </form>
> </body>
>
>
> </html>

It appears you are mixing VB's "Select case" syntax with Javascript's
"switch" syntax, and the result is you missed'em both. Easy mistake - take
a look at
http://devguru.com for a reference on both VB and Javascript.
Received on Tue Feb 7 21:29:34 2006

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Re: Switch() Statement Not Working