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Old June 10th, 2010, 03:04 PM
dashndash dashndash is offline
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Talking Total upto 2 Decimal numbers...

hi I've been reading on this forum since 2 months.... Just now registered.... I'm stucked in a javascript, which shows total price when customer enters quantities instantly....

But the problem is, it gives some thing like 23.549999999999997 for quantity of 3.........

I want it to be 23.54..... Hope you got my point..... Please help me... I'm about to pull my hair now!!!!



<script type="text/javascript">
function num(id) {
var e = document.getElementById(id);
if (e != null) {
var v = e.value;
if (/^\d+$/.test(v)) {
return parseInt(v, 10);
return 0;

function sum() {

var v1 = num("v1");
var r = document.getElementById("result");
if (r != null) {
r.value = v1 * 7.85;


function addHandler(element, eventName, handler) {
if (element.addEventListener) {
element.addEventListener(eventName, handler, false);
} else if (element.attachEvent) {
element.attachEvent("on" + eventName, handler);

addHandler(window, "load",
function() {
addHandler(document.getElementById("v1"), "keyup", sum);



<!-- Start HTML form -->
<form name="form" method="post" id="third" action="ex2.php" class="niceform">
<h1>Fill Out Your Order Details</h1>
<!-- Name -->
<label for="name"><strong><strong class="blue">*</strong> <span class="bisg">Name :</span></strong></label>
<input id="name" name="name" type="text" class="validate['required','length[3,-1]','nodigit']" size="20" />

<!-- Email -->
<label for="email"><strong><strong class="blue">*</strong> <span class="bisg">Email : </span></strong></label>
<input id="email" name="email" type="text" class="validate['required','length[5,-1]','email']" size="20" />

<!-- Website -->
<label for="site" class="bisg"><strong>Website :</strong> </label>
<input id="url" name="url" type="text" class="validate['url']" size="20" />

<label for="subject"><strong><strong class="blue">*</strong> <span class="bisg">city :</span></strong> </label>
<input id="city" name="city" type="text" class="validate['required']" size="20" />

<label for="msg"><strong><strong class="blue">*</strong> <span class="bisg">comments :</span></strong></label><br />
<textarea id="details" name="details" type="text" class="validate['required']" rows="10" cols="30"></textarea>

<label for="subject"><strong><strong class="blue">*</strong> No. of Items : </strong></label>
<input id="v1" name="articles" type="text" class="validate['required']" size="20" />

<!-- Total -->
<label for="subject"><strong><strong class="blue">*</strong> <span class="bisg">Total : </span></strong></label>
<strong class="blue">$</strong><input name="total" type="text" id="result" size="10" readonly>

<!-- Spam Check -->
<label for="spamcheck"><strong class="blue">*</strong> <acronym class="bisg" title="[ Spam prevention ]"><strong>Are you human?</strong></acronym> : <span class="bisgc"><strong class="bisgc">2 + 3 = ???</strong></span></label>
<input id="spamcheck" name="spamcheck" type="text" size="5" class="validate['required','number','spamcheck']" />
<br /><br />
<input type="submit" class="buttonSubmit" value="Send it!" />

<!-- Niceforms: mouse over effect -->
<!-- Do not remove the line below -->
<div id="stylesheetTest"></div>


I want TOTAL to be upto 2 Decimal numbers... That's it!!

Please find a way out for me!!!

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