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JavaScript - How Do I Autofill 1 Field In An Html Form With A Result From A Javascript Calculator
Hi guys,
I have a simple calculator on my website which has a few options selectable by radio buttons. When the user adds selections - the total price of their order is automatically calculated and displayed in a <div> for them to see. The client then can deselect options or add according to their budget. The code which deals with this is as follows (just sections of it but you get the point ....) In the <HEAD> Code: <script type = "text/javascript">
var allprices = [];
var index = 0;
function chkrads(frmName,rbGroupName) {
var chosen = "";
var radios = document[frmName].elements[rbGroupName];
for (var i=0; i <radios.length; i++) {
if (radios[i].checked) {
chosen = radios[i].value;
}
}
if (chosen == 0) {printprice = 0}
if (chosen == 1) {printprice = 99}
if (chosen == 2) {printprice = 150}
if (chosen == 3) {printprice = 250}
if (chosen == 21) {printprice = 200}
if (chosen == 22) {printprice = 300}
if (chosen == 30) {printprice = 50}
if (chosen == 41) {printprice = 50}
if (chosen == 42) {printprice = 70}
if (chosen == 43) {printprice = 90}
if (rbGroupName == "size") {index = 0}
if (rbGroupName == "colour") {index = 1}
if (rbGroupName == "frame") {index = 2}
if (rbGroupName == "glass") {index = 3}
if (rbGroupName == "hook") {index = 4}
if (rbGroupName == "delivery") {index = 5}
allprices[index] = printprice;
var totalprice = 0;
for (var i =0; i <allprices.length; i++) {
if (!isNaN(allprices[i])) {
totalprice = totalprice + allprices[i];
}
}
document.getElementById("result").style.display = "block";
document.getElementById("result").innerHTML = totalprice;
}
</script>
Then in the <BODY> Code: <form name= "myform" style="font-size:11px; font-family:Arial, Helvetica, sans-serif;">
<input type = "radio" name = "size" value = "0" onclick = "chkrads('myform', 'size')"> <b>0</b>
<input type = "radio" name = "size" value = "1" onclick = "chkrads('myform', 'size')"> <b>1</b>
<input type = "radio" name = "size" value = "2" onclick = "chkrads('myform', 'size')"> <b>2</b>
<input type = "radio" name = "size" value = "3" onclick = "chkrads('myform', 'size')"> <b>3</b>
<br /><br /><br /><br />
<input type = "radio" name = "colour" value = "0" onclick = "chkrads('myform', 'colour')"><b>No</b>
<input type = "radio" name = "colour" value = "21" onclick = "chkrads('myform', 'colour')"><b>black</b>
<input type = "radio" name = "colour" value = "22" onclick = "chkrads('myform', 'colour')"><b>Multi Colour</b>
<br /><br /><br /><br />
<input type = "radio" name = "frame" value = "0" onclick = "chkrads('myform', 'logo')"><b>No</b>
<input type = "radio" name = "frame" value = "30" onclick = "chkrads('myform', 'logo')"><b>Yes</b>
<br /><br /><br /><br />
<input type = "radio" name = "glass" value = "0" onclick = "chkrads('myform', 'glass')"><b>No</b>
<input type = "radio" name = "glass" value = "51" onclick = "chkrads('myform', 'glass')"><b>Yes</b>
<br /><br /><br /><br />
<input type = "radio" name = "hook" value = "0" onclick = "chkrads('myform', 'hook')"><b>0</b>
<input type = "radio" name = "hook" value = "41" onclick = "chkrads('myform', 'hook')"><b>1</b>
<input type = "radio" name = "hook" value = "42" onclick = "chkrads('myform', 'hook')"><b>2</b>
<input type = "radio" name = "hook" value = "43" onclick = "chkrads('myform', 'hook')"><b>3</b>
<br /><br /><br /><br />
<input type = "radio" name = "delivery" value = "0" onclick = "chkrads('myform', 'delivery')"><b>No</b>
<input type = "radio" name = "delivery" value = "61" onclick = "chkrads('myform', 'delivery')"><b>Yes</b>
</form>
This all calculates the cost and then supplies the answer into this code: Code: <div id="result" style="display:none;"><strong></strong> <span id="totalprice"></span> </div> This all works exactly as I want - my question is this .... I have added an HTML contact form at the bottom of the page which goes off to a Form2Email PHP script. (All working fine) I really want to autofill one of the sections of this form "QUOTED PRICE" with the value calculated by my earlier product calculator. The form looks like so: Code: <form id="ContactForm" method="post" action="FormToEmail.php" class="input2"> <label>Name: <input name="name" type="text" id="name" value="" size="" maxlength="80" class="input"/></label> <br /><br /> <label>QUOTED PRICE: <input name="QUOTED PRICE" type="text" id="QUOTED PRICE" value="" size="" maxlength="80" class="input"/></label> <br /><br /> <label> <input type="submit" class="submit" name="submit" id="submit" value="submit"/> </label> </form> Does anyone know how to achieve this?! It would be a massive help! Similar TutorialsI'm just learning javascript and am editing a calculator form that will calculate square footage and write to a form text field. I have another form filed that I would like to display a number based a series of if else statements. ex: if square footage > 2761 then display 5.0., if square footage > 2521 then display 4.5. etc. Any help would be appreciated. I have posted my the code below. Code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "<HTML>
<HEAD>
<TITLE>Size Calculator</TITLE>
<SCRIPT LANGUAGE="JavaScript">
function CalculateSum(Atext, Btext, form)
{
var A = parseFloat(Atext);
var B = parseFloat(Btext);
form.Footage.value = A * B;
form.Size.value = 21;
}
/* ClearForm: this function has 1 argument: form.
It clears the input and answer fields on the form.
It needs to know the names of the INPUT elements in order
to do this. */
function ClearForm(form)
{
form.input_A.value = "";
form.input_B.value = "";
form.Footage.value = "";
form.Size.value = "";
}
// end of JavaScript functions -->
</SCRIPT>
</HEAD>
<BODY>
<P><FONT SIZE="+2">Sizing Calculator</FONT></P>
<FORM NAME="Calculator" METHOD="post">
<P>House width (ft): <INPUT TYPE=TEXT NAME="input_A" SIZE=10></P>
<P>House length (ft): <INPUT TYPE=TEXT NAME="input_B" SIZE=10></P>
<P><INPUT TYPE="button" VALUE="Calculate" name="Calculate" onClick="CalculateSum(this.form.input_A.value, this.form.input_B.value, this.form)"></P>
<P><INPUT TYPE="button" VALUE="Clear Fields" name="ClearButton" onClick="ClearForm(this.form)"></P>
<P>Square footage = <INPUT TYPE=TEXT NAME="Footage" SIZE=12></P>
<P>Size = <INPUT TYPE=TEXT NAME="Size" SIZE=12></P>
</FORM>
</BODY>
</HTML>
Hiya, Got a form located at the following link: http://www.boostcreative.com/MA/ In short, trying to make it so that the user can type multiple numbers into the various fields and in real time they add up. If it hits the magic number, they can submit the form. The problem I'm having is the form validation. Any thoughts as to how I would set it so that the form is only submitted if the magic number is reached? (In this case 200) Thanks! Code: $(document).ready(function(){
$(".addition").each(function() {
$(this).keyup(function(){
calculateSum();
});
});
});
function calculateSum() {
var sum = 0;
$(".addition").each(function() {
if(!isNaN(this.value) && this.value.length!=0) {
sum += parseFloat(this.value);
if ( sum == 200 ) {
$('#negative').hide();$('#positive').show();}
if ( sum != 200 ) {
$('#negative').show();$('#positive').hide();}
}
});
$("#sum").html(sum.toFixed(0));
}
function validateForm()
{
var total = 0;
$(".addition").each(function() {
if(!isNaN(this.value) && this.value.length!=0) {
total += parseFloat(this.value);
if ( total != 200 ) {
alert("That Total is incorrect");
return false;
}
}
Code: <form method="post" action="contactForm.php" name="MAloyalty" id="MAloyalty" onsubmit="return validateForm(this)" > Hi there, I was searching for a way to clear the text from my form boxes upon clicking. Well, I was able to find a script for that. However, I also want these boxes to input the original text if a user clicks in and then clicks out without putting any of his own text in. For example, it says: Email Address (onclick = nothing), but if you don't input any data and click out of the box, I want it to say Email Address again. You can see the site at http://officiallymanaged.com/mayhem and if you would like for me to paste the code here, I can. I've recently downloaded this Firefox plugin: https://addons.mozilla.org/en-US/fir...utofill-forms/ It has a feature called dynamic tags which do the following functions using Javascript: <datetime> new Date().toLocaleString() <useragent> navigator.userAgent <langcode> navigator.language <resolution> screen.width+'x'+screen.height <clipboard> this.getClipboardText() I was wondering if a JavaScript code exists that could get the value of "nation=" for links like the one below [url]http://m.nationstates.net/?nation=NATION_NAME_GOES_HERE Any help would be appreciated and if I'm off my rocker feel free to tell me so Hi all, I am creating a simple 3 field calculator that calculates net, vat and gross. The user has to input 2 of the 3 fields, hit calculate and it should fill the 3rd field. I have so far succeeded with the net field (enter in gross and vat) but the other 2 throw up spurious results! I have worked out these equations (they work on a calculator) Net = G - (( G * V ) / ( V + 100 )) VAT = (( G - N ) x 100 ) / N Gross = N + ( N x ( V / 100 )) Heres the code for the javascript Code: <script type="text/javascript">
function netvatgross_calc() {
var net = (Number(document.calc.gross.value))-(((Number(document.calc.gross.value)) * (Number(document.calc.vat.value)))/((Number(document.calc.vat.value))+100));
var net = net.toFixed(2);
document.calc.net.value=net;
var vat = (((Number(document.calc.gross.value))-(Number(document.calc.net.value)))*100)/(Number(document.calc.net.value));
var vat = vat.toFixed(2);
document.calc.vat.value=vat;
var gross = (Number(document.calc.net.value))+((Number(document.calc.vat.value))/100)*(Number(document.calc.net.value));
var gross = gross.toFixed(2);
document.calc.gross.value=gross;
}
</script>
Here's the work in progress I am also wanting to add some code to throw up an error if less or more than 2 values have been entered. What am I doing wrong? Any help greatly appreciated! Cheers Dan Hi everyone, im new to javascript and I have created two forms.. a value will be put in the first field and the second field should display either $20 or $35 depending on the value of the first field. Im doing something wrong here.. but I cant see what. Any help is appreciated. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta content="text/html; charset=utf-8" http-equiv="Content-Type" /> <title>Distance from Depot</title> </head> <body> <form id="distanceform"> <ul> <li> <label for="Distance from EverWarm Depot">Distance from Depot (km):</label> <input type="text" id="distance" class="large"/> </li> </ul> </form> <input name="Button1" type="button" value="calculate" onclick="deliverycost()"/> <form id="deliverycostform"> <ul> <li> <label for="Delivery Cost" >Delivery Cost:</label> <input type="text" id="deliverycost" class="large"/> </li> </ul> </form> <script> function deliverycost() { /* Here is the delivery cost: less than or equal to twenty kilometres is $20.00 greater than twenty kilometres is $35.00 */ var distance = document.forms["neworder"]["distance"].value; if(distance<20) { document.getElementById('deliverycost').innerHTML="$20"; } else { document.getElementById('deliverycost').innerHTML="$35"; } } </script> </body> </html> I have an html page "PageA" which contains a "link" to another html page "PageB". The link is handled as a form submit because PageA sends some variables which it wants "processed". However, PageB is NOT a CGI script but simply another html page which happens to contain a form. This form handles the desired processing. I would appreciate some help getting some javascript in place, in PageA, in order to automatically fill in a form field in PageB with a variable supplied by PageA. The complications here a 1) PageB is not a CGI script and so sending variables via a query string does not work. (The variables never get read by PageB.) 2) PageB is maintained by another organisation so I cannot modify it. (Actually I could, as I have a local copy, but I would have to redo after every new release and so this is not acceptable.) It therefore needs to be treated as an independent page. 3) The variable is quite a lengthy one, it is extracted from a database and changes depending on how PageA was called, so I want to do this for repeated instances and cutting and pasting to a new page on each occasion is not attractive. 4) I would like to open PageB in a separate window or tab as I want to be able to reference both pages at once. (This is not essential to the key problem but may influence the solution. A solution which depended on the window being the same I would not regard as satisfactory.) The relationship between the documents is probably most accurately described as "PageB is a section of PageA". It is providing some additional information on aspects of what is in PageA. The output from submission of PageB can be quite lengthy. The actual form field in PageB I want to fill in is a textarea element and I know its name (call it name1) and also the name of the form (call it form1). But I don't think the field type should be important. I simply want to update its value (presumably after a page load?). Is this possible without editing PageB? I would appreciate some guidance if not a proven solution. Perhaps I have overlooked something but I can't find a working solution to this particular problem and my experiments to date don't work. Thanks Hello i need help with a simple single field javascript login form, i am building a small website for I and my classmates. i want it to be able to redirect each user to a specific page when a corresponding passcode is entered, i know its unsafe but we dont plan on keeping valuable information on the site, i dont know about MSQL and dont even wish to use it, the code works at this level but am unable to add users since i dont understand javascript if someone could help me i will be very grateful thanks in advance /*here is the code i got so far*/ <tittle> Enter Passcode to proceed </title> <h1 style="font-family:Comic Sans Ms;text-align="center";font-size:20pt; color:#00FF00;> </h1> <form name="login"> Passcode: <input type="text" name="userid"/> <input type="button" onclick="check(this.form)" value="Login"/> <input type="reset" value="Cancel"/> </form> <script language="javascript"> function check(form)/*function to check userid */ { if(form.userid.value == "JohnDoe") /* checkes userid */ { window.open("johndoe.php")/*target page */ } else { alert("Invalid Passcode, please try again!")/*error message*/ } } Hi all, I am new to JS and usually learn by studying code posted online and modify it to have it do what I need. Recently, I used a totaling plugin for an online ordering form which does the below: item1 qty(user input text) * preset price = total price item2 qty(user input text) * preset price = total price item3 qty(user input text) * preset price = total price -------------------------------------------------------- grand total -------------------------------------------------------- The JS code which passes the grandTotal variable is as below: Code: function ($this){
// sum the total of the $("[id^=total_item]") selector
var sum = $this.sum();
$("#grandTotal").text(
// round the results to 2 digits
"₹" + sum.toFixed(2)
);
}
The problem I have is the above grandTotal displays the final value when put into a table like below: Code: <td align="right" id="grandTotal"></td> But I am unable to make it work by passing it into a variable within the form fields. I would like to do something like this: Code: <input type="text" name="grandTotal" id="grandTotal" readonly="readonly" /> Can somebody please help me fix this? Any help will be greatly appreciated. Thank you. Hi all, Please keep in mind: this is the first code I have ever written -- much of it with help from this forum and the skeleton from other corners of the JS community. Thanks! But now for the problem... I'm developing am income tax calculator, and everything is going swell. Currently the user can type in their adjusted gross income (AGI), hit submit, and learn the amount of income tax they would pay, their tax rate, and their income after tax. I've played around with the events to get the submit button to work in FF, IE, Chrome and Safari -- and I've gotten the enter button to work before with some stock code, but here's the catch: when the user presses enter, i want the focus to leave the input box. I don't care where it goes (submit button, I suppose?) but i need it to leave the input field so the onfocus="clearText(this);" event can fire when they return to type in a new income. Any ideas? Thanks in advance. Code: <script language="javascript" type="text/javascript">
function TotalGrossPerYear() {
var Calc = document.NetIncome;
if (Calc.InputRad[0].checked) {
if ((Calc.AGI.value > 500000)) {
Bracket3();
}
if ((Calc.AGI.value > 200000 ) && (Calc.AGI.value <= 500000)) {
Bracket1();
}
if ((Calc.AGI.value <= 200000)) {
Bracket2();
}
}
else
if (Calc.InputRad[1].checked) {
if ((Calc.AGI.value > 1000000)) {
Bracket3();
}
if ((Calc.AGI.value > 400000 ) && (Calc.AGI.value <= 1000000)) {
Bracket1();
}
if ((Calc.AGI.value <= 400000)) {
Bracket2();
}
}
}
function Bracket1() {
var Calc = document.NetIncome;
if (Calc.InputRad[0].checked) {
Calc.TaxableIncome.value = (parseFloat(Calc.AGI.value) - 200000) ;
Calc.AmtDue.value = Math.round((parseFloat(Calc.TaxableIncome.value) * 0.05)) ;
Calc.AmtLeft.value = (parseFloat(Calc.AGI.value) - parseFloat(Calc.AmtDue.value)) ;
Calc.TaxRate.value = (parseFloat(Calc.AmtDue.value) / parseFloat(Calc.AGI.value) * 100).toFixed(2) + " %";
}
else {
if (Calc.InputRad[1].checked) {
Calc.TaxableIncome.value = (parseFloat(Calc.AGI.value) - 400000) ;
Calc.AmtDue.value = Math.round((parseFloat(Calc.TaxableIncome.value) * .05)) ;
Calc.AmtLeft.value = (parseFloat(Calc.AGI.value) - parseFloat(Calc.AmtDue.value)) ;
Calc.TaxRate.value = (parseFloat(Calc.AmtDue.value) / parseFloat(Calc.AGI.value) * 100).toFixed(2) + " %";
}
}
}
function Bracket2() {
var Calc = document.NetIncome;
if (Calc.InputRad[0].checked) {
Calc.TaxableIncome.value = 0 ;
Calc.AmtDue.value = Math.round((parseFloat(Calc.TaxableIncome.value) * 0.05)) ;
Calc.AmtLeft.value = (parseFloat(Calc.AGI.value) - parseFloat(Calc.AmtDue.value)) ;
Calc.TaxRate.value = (parseFloat(Calc.AmtDue.value) / parseFloat(Calc.AGI.value) * 100).toFixed(2) + " %";
}
else {
if (Calc.InputRad[1].checked) {
Calc.TaxableIncome.value = 0 ;
Calc.AmtDue.value = Math.round((parseFloat(Calc.TaxableIncome.value) * 0.05)) ;
Calc.AmtLeft.value = (parseFloat(Calc.AGI.value) - parseFloat(Calc.AmtDue.value)) ;
Calc.TaxRate.value = (parseFloat(Calc.AmtDue.value) / parseFloat(Calc.AGI.value) * 100).toFixed(2) + " %";
}
}
}
function Bracket3() {
var Calc = document.NetIncome;
if (Calc.InputRad[0].checked) {
Calc.TaxableIncome.value = (parseFloat(Calc.AGI.value) - 200000) ;
Calc.AmtDue.value = Math.round((parseFloat(Calc.TaxableIncome.value) - 300000) * 0.09) + (300000 * 0.05) ;
Calc.AmtLeft.value = (parseFloat(Calc.AGI.value) - parseFloat(Calc.AmtDue.value)) ;
Calc.TaxRate.value = (parseFloat(Calc.AmtDue.value) / parseFloat(Calc.AGI.value) * 100).toFixed(2) + " %";
}
else {
if (Calc.InputRad[1].checked) {
Calc.TaxableIncome.value = (parseFloat(Calc.AGI.value) - 400000) ;
Calc.AmtDue.value = Math.round((parseFloat(Calc.TaxableIncome.value) - 600000) * .09) + (600000 * 0.05) ;
Calc.AmtLeft.value = (parseFloat(Calc.AGI.value) - parseFloat(Calc.AmtDue.value)) ;
Calc.TaxRate.value = (parseFloat(Calc.AmtDue.value) / parseFloat(Calc.AGI.value) * 100).toFixed(2) + " %";
}
}
}
function Couple() {
var Calc = document.NetIncome;
Calc.AGI.value = "";
Calc.TaxableIncome.value = "--------";
Calc.AmtDue.value = "--------";
Calc.AmtLeft.value = "--------";
Calc.TaxRate.value = "--------";
}
function Individual() {
var Calc = document.NetIncome;
Calc.AGI.value = "";
Calc.TaxableIncome.value = "--------";
Calc.AmtDue.value = "--------";
Calc.AmtLeft.value = "--------";
Calc.TaxRate.value = "--------";
}
function clearText(thefield){
if (thefield.value==thefield.value)
thefield.value = ""
}
</script>
</head>
and the html... Code: <body> <form name=NetIncome> <table border=5> <th align=left> <ol> <li>Select Individual or Joint filing status. <li>Enter your Adjusted Gross Income. <li>Submit to calculate. <li>Please reset after each calculation. </ol> </th> <tr> <td><font size=5><input type=radio name=InputRad value=PerHour onclick="Individual()"><u>Individual</u> <input type=radio name=InputRad value=PerYear onclick="Couple()"><u>Joint</u></font></td> </tr> <tr><td><input type=text name=AGI size=30 id="txtExamplethree" onfocus="clearText(this);" onsubmit="TotalGrossPerYear();" onblur="this.value=this.value.replace(/[^\d\.]/g, '');" value="Select filing status" maxlength="20" />Adjusted Gross Income </td></tr> <tr><td><input type=text name=TaxableIncome id="txtExampletwo" readonly="readonly" size=30 value="">Taxable Income</td></tr> <tr><td><input type=text name=AmtDue id="txtExampleone" size=30 readonly="readonly" value="">Amount Due in Taxes</font></td></tr> <tr><td><input type=text name=AmtLeft id="txtExample" size=30 readoanly="readonly" value="">Income after Tax</font></td></tr> <tr><td><input type=text name=TaxRate size=10 readonly="readonly">Tax Rate</td></tr> <tr><td align=center><input type="button" value="Submit" onfocus="TotalGrossPerYear(); formatNumber(); formatNumberone(); formatNumbertwo(); formatNumberthree();" /><input type=reset value="Reset Form"></td></tr> </table> </form> hiiii, im new to javascripts . Can anyone help me to know that a javascript which is validating a phone number accepts only digits but if the text field is left empty it should accept the entry as an empty entry.... plz share knowledge u will be more knowledgeable aaaaaa
I need help trying to figure out how to get my bmi calculator to work. I cant figure out what is wrong with my formula part and why it wont calculate the numbers you type in...pls help! <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <script type="text/javascript"> function calculateBMI() { var weight = numb(document.data.weight.value) var height = numb(document.data.height.value) var height2 = height2 * height2 var BMI = weight * 703 / (height2 * height2) document.form.BodyMassIndex.value=custRound(BMI,1); } </script> <title></title> <style type="text/css"> div.c2 {text-align: center} input.c1 {font-size: 8pt} </style> </head> <body> <div class="c2"> <form name="form" id="form"><input type="text" name="weight" size="4"> Weight (in Kilos) <input type="text" name="height" size="4"> Height (in Centimeters)<br> <br> <input type="text" name="BodyMassIndex" id="BodyMassIndex" size="4"> BMI <input type="button" class="c1" value="Calculate" onclick="calculateBMI()" name="button"> <input type="reset" class="c1" value="Clear Form"></form> </div> </body> </html> Hi all master and expert coders I am working on a calculator which using the instructor's codes from the school. The problem that I having right now is the operator. I have successfully complete only the addition, but could not manage on subtraction and the rest operator. I hope experienced codes would help me out on this. Below is my codes. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head> <script type="text/javascript"> function calculate() { var value1 = parseInt(validate(document.getElementById("value1").value)); var value2 = parseInt(validate(document.getElementById("value2").value)); radioButtonCheck(); checkboxCheck(); dropDownListCheck(); document.getElementById("result").value = addition(value1, value2); document.getElementById("result").value = subtraction(value1, value2); document.getElementById("result").value = multiplication(value1, value2); document.getElementById("result").value = division(value1, value2); } function validate(value) { if (value == null || value == "") { alert("Required Field"); return 0; } else if (isNaN(value)) { alert("Must be a number"); return 0; } else return value; } function addition(value1, value2){ return value1 + value2; } // trying to use the same addition return statement but fail. function radioButtonCheck() { if ((document.getElementById("radio1").checked == false) && (document.getElemtById("radio2").checked == false)) { alert("Please select a radio button"); valid = false; } } function checkboxCheck() { if ((document.getElementById("cbox1").checked == false) && (document.getElementById("cbox2").checked == false)) { alert("Please select a checkbox"); valid = false; } } function dropDownListCheck() { if ((document.getElementById("ddlOperator").selectedIndex == 0)) { alert("Please select a operator"); valid = false; } } </script> <title>Calculator By Alsus</title> </head> <body> <h2>Calculator</h2> <table border = "1"> <tr> <td>Value 1:</td> <td><input type="text" id="value1" name="value1" /></td> </tr> <tr> <td>Value 2:</td> <td><input type="text" id="value2" name="value2" /></td> </tr> <tr> <td>Operator:</td> <td><input type="text" id="Operator" name="Operator" /></td> </tr> <tr> <td><input type="radio" id="radio1" name="radio1" value="radio1" />Radio1<br /></td> <td><input type="radio" id="radio2" name="radio2" value="radio2" />Radio2<br /></td> </tr> <tr> <td><input type="checkbox" id="cbox1" name="cbox1" value="cbox1" />Checkbox 1<br /></td> <td><input type="checkbox" id="cbox2" name="cbox2" value="cbox2" />Checkbox 2<br /></td> </tr> <tr> <td> <select id="ddlSelect"> <option value="+">+</option> <option value="-">-</option> <option value="*">*</option> <option value="/">/</option> </select> </td> <td> </td> </tr> <tr> <td>Result:</td> <td><input type="text" id="result" name="result" /></td> </tr> </table> <input type="submit" id="btn_sub" name="btn_sub" value="Submit" onclick="calculate()" /> <input type="reset" id="btn_res" name="btn_res" value="Reset" /> </body> </html> This is what I have so far, but now I am stuck. My instructor wants the output value (Number Set C) to include Number Set A and Number Set B. For instance, if Number Set A is "10" and you want to add Number Set B whose value is also "10", my instructor wants Number Set C to say "10 + 10 = 20". Where am I going wrong, and what is the easiest way I can make this work while making as little changes as possible? Most of the code is what my instructor requires us to use. Code: <HTML>
<HEAD>
<TITLE>COMSC-100-1241 - Assignment #8 - Introducing "if" Logic - Programming Your Own Calculator</TITLE>
<SCRIPT LANGUAGE="text/JavaScript">
function Go(code){
var a
var b
var c
var x
a = parseFloat(document.getElementById("a").value);
b = parseFloat(document.getElementById("b").value);
if (code == 0){
x = a + b
c = a + " + " + b + " = " + x
}
if (code == 1){
x = a - b
c = a + " - " + b + " = " + x
}
if (code == 2){
x = a * b
c = a + " * " + b + " = " + x
}
if (code == 3){
x = a / b
c = a + " / " + b + " = " + x
}
document.getElementById("c").value = c;
}
</SCRIPT>
</HEAD>
<BODY>
<TABLE BORDER="1" WIDTH="500" ALIGN="center">
<TR>
<TD>
<DIV ALIGN="left">
<FORM NAME="calculator">
<B>Instructions: </B> Type a number in the box for "Number Set #1". Then input a <I>second</I> number in the box for "Number Set #2". Click the "Calculate" button, and the sum of those two numbers will appear in the box for "Number Set #3".
<BR>
<BR>
<B>Input Values: </B>
<BR>
<B>Number Set A:</B> <INPUT ID="a">
<BR><BR>
<B>Number Set B:</B> <INPUT ID="b" >
<BR><BR>
<INPUT TYPE="Submit" VALUE="Add" OnClick="Go(0);">
<INPUT TYPE="Submit" VALUE="Subtract" OnClick="Go(1);">
<INPUT TYPE="Submit" VALUE="Multiply" OnClick="Go(2);">
<INPUT TYPE="Submit" VALUE="Divide" OnClick="Go(3);">
<BR><BR>
<B>Output Value: </B>
<BR>
<B>Number Set C:</B> <INPUT ID="c" SIZE="50">
</FORM>
</DIV>
</FORM>
</TD>
</TR>
</TABLE>
</BODY>
</HTML>
I'm not sure what the code is to add this to javascript. I don't know if anyone can help me with this? Each numeric button should change the input box up at the top to whatever. When one of the operator buttons (+,-,*,/) is pressed, the value in the input box at the top should change to 0. Before an operator button is pressed, the value should be stored in a variable to keep track of the left-hand side of the equation. After it is pressed, the value should be stored in the right hand side variable. Thanks Hello guys, long story short my boss wants me to add this calculator form to our website(here is the link to what he wants exactly) so I try to copy that code but it won't work. I was wondering if this javascript would work. Code: Code: <script language="JavaScript">
function calc() {
gear = document.name1.drpPumpType.1;
vane = document.name1.drpPumpType.2;
if (gear)
{
txtW = document.form1.txtW.value;
txtD = document.form1.txtD.value;
txtL = document.form1.txtL.value;
int gearCIR;
gearCIR = 6 * txtW *(2 * txtD - txtL) * (txtL - txtD) / 2;
}
else
{
int vaneCIR;
vaneCIR = 12 * txtW * (txtL + txtD) / 4 * (txtL - txtD) / 2;
}
I probably don't even need a if statement but I haven't program in a long time and never use java script before. so bare with me. here is the html form code Code: Code: <form name="name1"> <table align="center" border="0" width="44%"> <tbody> <tr> <td colspan="3"><span class="BoldHeadingLabel style1">Displacement from Measurements</span></td></tr> <tr> <td width="50"><span class="style1"></span><br /> </td> <td width="157"><span class="BoldLabel style1">Pump/Motor Type:</span></td> <td width="456"> <span class="style1"></span> <br /> </td></tr> <tr> <td width="50"><span class="style1"></span><br /> </td> <td width="157"><span class="BoldLabel style1">Gear Width (W):</span></td> <td><span class="style1"><input name="txtW" id="txtW" maxlength="10" size="10" value="" type="text" /></span></td></tr> <tr> <td width="50"><span class="style1"></span><br /> </td> <td width="157"><span class="BoldLabel style1">Gear Bore Dia. (D):</span></td> <td><span class="style1"><input name="txtD" id="txtD" maxlength="10" size="10" value="" type="text" /></span></td></tr> <tr> <td width="50"><span class="style1"></span><br /> </td> <td width="157"><span class="BoldLabel style1">Bore to Bore (L):</span></td> <td><span class="style1"><input name="txtL" id="txtL" maxlength="10" size="10" value="" type="text" /></span></td></tr> <tr> <td colspan="3"><span class="style1"></span><br /> </td></tr> <tr> <td width="50"><span class="style1"></span><br /> </td> <td width="157"><span class="BoldLabel style1">Displacement (CIR) = </span></td> <td><span class="CalAnswer style1">_________</span><span class="style1"><br /> </span></td></tr> <tr></tr> <tr> <td colspan="3"><span class="style1"></span><br /> </td></tr> <tr> <td colspan="3" align="center"><input value="Calculate" id="submit1" name="submit1" type="submit" /> <input value="Clear" id="clearform" name="clearform" onclick="cmdReset_onclick()" type="button" /> </td></tr></tbody></table></form> For some reason it says access denied. I copy this code from that website. but can't find any code wrong. I know this code is probably so wrong but any help is much appreciated . I'm new to javascript but not to programming. Here is my code: PHP Code: PHP Code: print "<form name='goldcalculator'>"; print "<input type='hidden' name='goldspot' value='$goldvalue'>"; print "<select name='gunit' onchange='updateTotal();'>"; print "<option value='20'>Pennyweight (DWT)</option>"; print "<option value='31.1'>Grams (g)</option>"; print "</select><br>"; print "10K <input type='text' name='10k' onchange='updateTotal();'><br>"; print "14K <input type='text' name='14k' onchange='updateTotal();'><br>"; print "18K <input type='text' name='18k' onchange='updateTotal();'><br>"; print "22K <input type='text' name='22k' onchange='updateTotal();'><br>"; print "24K <input type='text' name='24k' onchange='updateTotal();'><br>"; print "TOTAL <input type='text' name='totalprice'>"; print "</form>"; Code: <script language="JavaScript">
function updateTotal()
{
var u = document.goldcalculator.gunit.value;
var spotprice = document.goldcalculator.goldspot.value / u;
var gold10 = document.goldcalculator.10k.value;
var gold14 = document.goldcalculator.14k.value;
var gold18 = document.goldcalculator.18k.value;
var gold22 = document.goldcalculator.22k.value;
var gold24 = document.goldcalculator.24k.value;
var calculatedPrice = document.goldcalculator.totalprice.value;
calculatedPrice = ((spotprice*.999*gold24)+(spotprice*.916*gold22)+(spotprice*.75*gold18)+(spotprice*.585*gold14)+(spotprice*.417*gold10));
}
</script>
I don't know where to begin to debug this. It's very simple. The $goldvalue variable is non-editable and is pulled off my MySQL database and that works. They fill in the inputs via the PHP form and then it basically adds them up and spits out the total. Can someone tell me what's wrong? |
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