Calculator Clears Results When Using Custom Button?

Feb 15, 2010

Wondering if someone could help me out. i am developing a simple javascript calculator at the problem is this:When I use the input type = button or submit, then the calculator works fineBUTI need to use a custom button and now the calculator just shows the results for a split second and then disappears and the form reloadsHere is my code:

<script language="JavaScript">


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Radio Button Clears And Disables Textfield?

Jan 12, 2009

I have 5 radio buttons and 1 text field. 4 radio buttons have different money value and the text field is a fill in. I am wanting to clear and disable the text field and its radio button when a different radio button is chosen. Here is the code I am using.


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Apr 20, 2010

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<title>Class Marks Calculator</title>[code]....

I have been working on this for hours and do not understand where I am going wrong.

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Dec 8, 2010

I use DatePicker to select an expiration date for an item. It is triggered by a image button, I don't want to show a textbox for this field, just an icon. I want to add a button inside the DatePicker (in the button panel) for 'Cancel Expiration Date'.

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Apr 7, 2011

so i am working on a calculator but i am having trouble with the % buttonif i do 200*50% it should be 100, but now it says 0.5the function code:

function PercentButton() {
if(NewNumber != "blank") {
Number2 *= .01;


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Feb 21, 2011

I have a simple form on my artwork website that allows a customer to enter a numer of prints and a number of colours and then calculates a price of the order (for their curiosity only - that is the end of the function).I have now changed the way I have priced my orders and want to make it so that, for instance, if a customer wants 2 prints it will be �150.00 (�75 per print) but 3 prints will be �195.00 (65 per print) and so on the more they order.What I want to do is to add a list of prints from 1 to 10 with a radio button next to each. the user can then select 5 prints.The way my form works right now (see code below) is that the customer enters a numeric value and then the javascript takes the value and multiples by a pre-set "PrintAmount" value.Because that value is constant - I can't make multiples of prints different values (or can I ?) Heres my javascript (form below):

<script type="text/javascript" src=""></script>
<script type="text/javascript">


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Oct 16, 2010

I need to make a button that will display my name in the answer box of my calculator.

Can anyone please show me the code to do this?code...

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Calculator Not Working Correctly - Opens When The User Clicks A Button

Oct 9, 2010

I have a JavaScript calculator, here is the code:

<script type="text/javascript">
var num1=prompt('Enter your first number',"");
var num2=prompt('Enter your second number',"");
var problem=prompt('Enter the operator you wish to use..x,X,+,-,/ are valid..',"");
if (problem=="+")

It will open when the page comes up, but how do I put it so that it opens when the user clicks a button?

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Mar 2, 2010

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Mar 2, 2010

When you load [url] the searchbox contains the words "search reddit". Once it receives the focus by tabbing or clicking, the contents are cleared. However, there is no onfocus event, onclick event or any other script within the tag for this textbox. How is a textbox cleared without explicitly using an event?

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Jul 20, 2005

I want to have a custom button change appearance when pressed and then
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here's what i have now, which works mostly. "drop" is my handler for the
button, its argument tells me which button was pressed. i have a number
of these buttons and they are organized in a table.

there is a fair amount of superstition here, the result of many tiny
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Oct 11, 2011

I basically need, when the enter button is pressed on the keyboard to trigger a button. Currently, my code works but it just refreshes the page and does not actually trigger the desired button:

<BUTTON TYPE="submit"


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Dec 1, 2010

I want to create a custom radio button. Basically I would like an image to act like a radio button. When selected the image border changes to highlight it. When a different image is selected it's border becomes highlighted and the previous selected image's border returns to normal. Only one image may be selected at a time. A value would then be passed in the form when submitted. I am wanting it to act like the way in print preview you can select the page orientation (portrait or landscape) by selecting the appropriate icon.

This is the code I came up with. It seems to work well but I thought someone here might know a better way to do this. To test subsitute your own images with file paths.

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>


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Event Handler That Clears Text Fields

Aug 31, 2011

I am having a dickens of a time figuring out how to add an event handler that clears my text fields when the clear button is clicked. This is the code that I've done but to no avail.

var $ = function (id) {
return document.getElementById(id);}
var calculate_click = function () {
var investment = parseFloat( $("investment").value );
var annualRate = parseFloat( $("rate").value );
var years = parseInt( $("years").value );
$("futureValue").value = "";
if (isNaN(investment) || investment <= 0) {
alert("Investment must be a valid number\nand greater than zero.");
} else if(isNaN(annualRate) || annualRate > 20) {
alert("Annual rate must be a valid number\nand less than or equal to 20.");
} else if(isNaN(years) || years > 50) {
alert("Years must be a valid number\nand less than or equal to 50.");
} else {
var monthlyRate = annualRate / 12 / 100;
var months = years * 12;
var futureValue = 0;

for ( i = 1; i <= months; i++ ) {
futureValue = ( futureValue + investment ) *
(1 + monthlyRate);
$("futureValue").value = futureValue.toFixed(2);
var clear_click = function () {
var investment = parseFloat();
var annualRate = parseFloat();
var years = parseInt();
window.onload = function () {
$("calculate").onclick = calculate_click;

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Dec 9, 2011

We have a situation where we need to associate custom data for each radio button, and there could be hundreds of radio buttons on one screen. Also the amount of data for each radio button can be substantial.I took a look into using the .data() method but discovered that I could not set the custom data inline with the radio button. It looked like I would need to call each radio button from within the script block to use jQuery to set the data.I tried using the HTML 5 data attributes but it didn't work for us. I have a prototype put together where I am adding the custom data to the [title] attribute for each radio button. Is this the right thing to do? Is there a tag based string structure we can use for setting and searching the custom data?

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Sep 18, 2011

I have been searching for a way to display facebook api friends.getAppUsers in set of 5. I am able to do this if i hard code it but I cant seem to find and comprehend a method to do this dynamically.

What i want to achieve is, if i have 43 friends using the application, the code should allow users to view this result in set of 5.


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Oct 31, 2010

I'm trying to create a custom meta box on Wordpress with multiple text fields.The idea is that there is initially one text box, then you can click the button 'Add New' and a another text box is added. This needs to be via Ajax; using Javascript doesn't physically create the HTML and I have to use a PHP foreach loop to get all of the values from and combine them into an array in order to be saved.

Currently via PHP I've created a foreach loop that creates a text box for each value from the custom field (etc, 3 text boxes). I want to create a button that when clicked, it will add another blank text box as part of this foreach loop. When the post is saved, it will get the values from the 4 text boxes and save them back into the array.

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Mar 16, 2010

I'm adding a Microsoft Dynamics CRM Online form to a webpage. It looks like pretty standard html and Javascript. The Microsoft website creates the code automatically and it provides the html code snippet. I provides a standard dull grey button. I'm simply trying to change the standard grey button to a nice looking orange image.

I have the form looking great...only problem is that it doesn't work. I tried it with the standard button and it works fine. When I try to substitute the image, CRM doesn't get the submitted form information. Here is the applicable part of the code:

<input type="hidden" id="dl_qs" name="dl_qs" />
<input type="hidden" id="dl_r" name="dl_r" />
<input type="submit" onclick="document.getElementById('dl_leadForm').dl_qs.value =


I tried this, but it didn't work:

<input type="image" src="images/contact-us-button.gif" value="Submit" border="0" <onclick="document.getElementById('dl_leadForm').dl_qs.value =;document.getElementById('dl_leadForm').dl_r.value = document.referrer;" value="Submit" >

I would like to keep any validation built into the form. I'm very new to Javascript, so it's probably something obvious to pros.

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Jul 21, 2010

I wanted to show a datepicker on a custom click event. i can't use datepicker button or image due to lack of space and certain other restrictions.

I have created a custom button with a custom look and feel. i want the click event on this button to trigger datepicker display.

I tried to use:

But this is merely associating the textfield datepick with datepicker, its not showing it.. rather we have to click on textfield after the button click to show the datepicker.

I also tried:

But this also did not do any changes..

Any possible way for getting this event..

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Oct 19, 2009

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<body bgcolor="#ffffff" text="#000000">

I'm trying to create a new validation rule to check if a button has a class. I try to explain the scenario. I have a button that makes an ajax call to check the availability of a product. When the app loads the button as class "to_check", when the button is clicked an ajax call is fired, a server script return the availability of the product and basing on this answer I change the class of the button from "to_check" to "ok" or "ko". Now I want to validate the button to se if the availability is being checked and is ok, then I wrote this:

<pre>$.validator.addMethod('hasClass', function(value, element) { if($(element).hasClass(value)) {
return true;
} else {
return false
jQuery.format('Please check the button'));</pre>

Now I want to add this rule to the button with the metadata plugin inside the class name with this syntax:
<pre id="line175"><span id="__firefox-tidy-id"
style="background-color: rgb(221, 221, 255);"><<span
class="start-tag">input</span><span class="attribute-name"> type</span>=<span
class="attribute-value">"button" </span><span class="attribute-name">name</span>=<span
class="attribute-value">"verifica_disponibilita" </span><span
class="attribute-name"> .....

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Nov 15, 2011

We've developed a web application with static & iframes, each time we interact with the links in the static frame gives results in the iframe.
it has a custom back button in the static menu frame. this back button working fine in IE7 IE8 but not properly working in IE9 it goes 3 sometimes 4
pages back.

we are using history.go(-1)
is there any other way to make it work in IE9, even pressing the Backspace key wont work. we've tried many ways but no use.

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Apr 27, 2011

I am very inexperienced with javasciprt. I am designing a form in coldfusion, and want some dynamic action to take place. My users will be offered 2 selections via radio buttons. Depending on which radio button they select, they will get a few more radio buttons to choose from. I have been told that this can be handled in javascript. So I am appealing to the javascript programmer nation for some assistance in this endeavor.

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

I have a mistake when it is suppose to calculate.

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Mar 25, 2011

I'm trying to make a calculator app; with a few differences. I have a text field with a numberpad below it, I got the numbers to show up in the text field, but am unsure as to how when I hit the enter button - it would store them in a variable?...I am also wondering as to how it would store current value and then allow me to input another value(maybe on the next page) and either subtract or add to it(the first value that is stored).I am also wondering how to get a decimal point in place(need it for currency).

Here is my code:

<script type = "text/javascript">


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I have the last assignment that she wants us to do and I had to pull up another assignment that she wanted us to build upon( which is one of those coding without anything advance)



now she wants us to do max <beta and then name the variables with if a<b and I don't know if I put that in the concatenation or what to name my variables!

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