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JavaScript - Trying To Get A Result From Multiplying Numbers

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Trying To Get A Result From Multiplying Numbers	View Content

Full Excel VBA Course - Beginner to Expert

Can I Divide 2 Numbers Then A 3rd Number By The Result

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I want to build a web form that will allow users to enter 3 different numbers and get a result. The answer is arrived at by the following. Enter 3 variable A, B, and C. Then A / B = D. Then C / D = the Answer.

Is there a way to set that up as a single click script? Everything I have tried has failed hard.

Multiplying Two Input Fields

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Hello,

I would like to create a form that calculates the area of a floor or wall. The user will input the length/height and width dimensions into two input fields and then click calculate.

I simply need a script that multiplies the two fields together and puts the answer in a third read-only field.

Any help much appriciated

Kind regards, Mike

Multiplying Corresponding Elements In Parallel Arrays

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Hi there,
I was hoping for some advice, not really answers as this is part of an assignment. What I have been given is two arrays and I need to multiply the elements in the first with the corresponding value in the second and then save the result into a third array. I am very very new to this and have tried every option i can think of to do this, I entered the result values into the third array just to check the rest of my code is right, this is the only part that has me stumped.

Any tips would be hugely appreciated, thank you )

Problem Multiplying 2 Values From Input Boxes

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I am working on a job calculator. I have 2 txt input boxes titled "project_rate_field" and "project_time_field" as well as a third box .. "project_pay_total_field" for output..

I need to multiply the rate field and the time field and output the total into the third box.

I've never really used javascript before so I dont know much about it or how to write it but im trying to learn.

Here is my .js file ...

Code:

function project_pay_details()
{
	var rate = document.getElementById("project_rate_field").value;
	var time = document.getElementById("project_time_field").value;

	var total = (rate * time);

	project_pay_total_field.value = "$" + total;
}

And here is my .html file

Code:

<!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 http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>

<script language="javascript" type="text/javascript" href="functions.js" />

<style>
	.wrap { float: right; }
	#project_pay { float: left; margin-right: 15px; line-height: 38px; font: 10px Arial, Helvetica, sans-serif; color: #bbb; }
	#project_pay_details { border-top: 1px dotted #ddd; padding-bottom: 10px; margin-top: 10px; float: right; width: 100%; }
	.field { border: none; line-height: 38px; font: 20px Arial, Helvetica, sans-serif; color: #666; width: 100px; font-weight: bold; margin-top: 6px; }
</style>

</head>

<body>
<form id="project_pay_details" name="form1" method="post" action="" class="editable">
	<div class="wrap">
	<div id="project_pay">Pay Rate<input type="text" name="project_rate_field" id="project_rate_field" class="field" value="10" />/ hr</div>
    <div id="project_pay">Total Hours<input type="text" name="project_time_field" id="project_time_field" class="field" value="0" /></div>
	<div id="project_pay">Project Total<input type="text" name="project_pay_total_field" id="project_pay_total_field" class="field" readonly="readonly" value="0" /></div>
	<input name="project_pay_details_refresh" type="button" value="Refresh" onClick="project_pay_details()" /></input>
    </div>
</form>
</body>
</html>

I need to know what im doing wrong because this obviously doesnt work.

Add 2 Numbers

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say cutcost2 is 10 and qty is 25

Code:

document.profile_quote.cuttotal.value = eval(document.profile_quote.cutcost2.value + document.profile_quote.qty.value) .toFixed(2)

the output i get is 1025 rather than 35. what have i got wrong?

thanks

Want To Use A <br> After Every 10 Numbers.

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Hay!

I have a silly question, I have a row of numbers, 1 to 250. The numbers are all in one horizantal line. But I want to use a <br> after every 10 numbers.

I tried:

if(i % 10) {
document.write("<br>");
}

This is how I wanted to be:

1, 2, 3, 4, 5, 6, 7, 8, 10,
11, 12, 13, 14, 15, 16, 17, 18, 20,

Does any one know how can I achieve this I'm still a noob.

Only Numbers

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I have written below code to except only number in a textbox. This is working fine. However, When I'm copying and pasting, then it is taking non-numbers.

Code:

<html>
    <head>
        <title></title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

        <SCRIPT type="text/javascript">
     
            function isNumberKey1(evt)
            {
                var charCode = (evt.which) ? evt.which : event.keyCode
                if (charCode = 46 && charCode > 31 
                    && (charCode < 48 || charCode > 57))
                    return false;

                return true;
            }
     
    
     
        </SCRIPT>
    </head>
    <body>
        Phone number :
        <input type="text" id="phonenumber" onkeypress="return isNumberKey1(event)"  maxlength="10" size="15" > <br /> <br />
        Alternative number: 
        <input type="text" onkeypress="return isNumberKey1(event)" id="alt" maxlength="10" size="15">
         <input type="button"  value="Submit">

    </body>
</html>

Help With Numbers

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Sum Of All Numbers 1-x Help

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I'm trying to teach myself Javascript to prepare for it next term. I asked earlier how to add together the numbers 1-10 in a loop. Now I'm wondering how can I change the 10 to be a valuable I input. Basically I want to be able to enter a number on the page or in a message box then I want the code to add all the numbers from 1- the number I enter.

The code I got from my previous thread is he
Code:

<html>
<head>
<script type="text/javascript">

var varX = user input;
function sum() {
   var varX = user input;
   for(varY = 1; varY<=10; varY++) {
      varX = varX + varY;
   }
   return varX;
}

var resultat = sum();
alert(resultat);         // show message box with result
</script>
</head>
<body>
</body>
</html>

Using Two Digit Numbers

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Hi,

I am trying to modify this poetry generator script:

Poem Generator

.js-file:
PHP Code:
// Poem Generator JavaScript
// Keith Enevoldsen, thinkzone.wlonk.com

random_count=0;
nsentences=0;
nwords1=0; nwords2=0; nwords3=0; nwords4=0; nwords5=0;
nwords6=0; nwords7=0; nwords8=0; nwords9=0;

function init(form)
{
form.Samples.selectedIndex=1;
generate_input(form, form.Samples.options[form.Samples.selectedIndex].text);
make_poem(form);
}

function generate_input(form, sample_name)
{
form.title1.value = "Concrete Nouns";
form.title2.value = "Abstract Nouns";
form.title3.value = "Transitive Verbs";
form.title4.value = "Intransitive Verbs";
form.title5.value = "Adjectives";
form.title6.value = "Adverbs";
form.title7.value = "";
form.title8.value = "";
form.title9.value = "Interjections";
form.sentences.value =
    "The 5 1 6 3s the 1."
    +"\n5, 5 1s 6 3 a 5, 5 1."
    +"\n2 is a 5 1."
    +"\n9, 2!"
    +"\n1s 4!"
    +"\nThe 1 4s like a 5 1."
    +"\n1s 4 like 5 1s."
    +"\nWhy does the 1 4?"
    +"\n4 6 like a 5 1."
    +"\n2, 2, and 2."
    +"\nWhere is the 5 1?"
    +"\nAll 1s 3 5, 5 1s."
    +"\nNever 3 a 1."
    ;
if (sample_name == "Sea") {
    form.list1.value = "sea\nship\nsail\nwind\nbreeze\nwave\ncloud\nmast\ncaptain\nsailor\nshark\nwhale\ntuna\nseashell\npirate\nlad\ngirl\ngull\nreef\nshore\nmainland\nmoon\nsun";
    form.list2.value = "adventure\ncourage\nendurance\ndesolation\ndeath\nlife\nlove\nfaith";
    form.list3.value = "command\nview\nlead\npull\nlove\ndesire\nfight";
    form.list4.value = "travel\nsail\nwave\ngrow\nrise\nfall\nendure\ndie";
    form.list5.value = "big\nsmall\nold\ncold\nwarm\nsunny\nrainy\nmisty\nclear\nstormy\nrough\nlively\ndead";
    form.list6.value = "swiftly\ncalmly\nquietly\nroughly";
    form.list7.value = "";
    form.list8.value = "";
    form.list9.value = "o\noh\nooh\nah\nlord\ngod\nwow\ngolly gosh";
} else if (sample_name == "City") {
    form.list1.value = "street\nsidewalk\ncorner\ndoor\nwindow\nhood\nslum\nskyscraper\ncar\ntruck\nguy\ngirl\njob\nflower\nlight\ncigarette\nrain\njackhammer\ndriver\nworker";
    form.list2.value = "action\nwork\nnoise\ndesolation\ndeath\nlife\nlove\nfaith\nanger\nexhaustion";
    form.list3.value = "get\ngrab\nshove\nlove\ndesire\nbuy\nsell\nfight\nhustle\ndrive";
    form.list4.value = "talk\ngab\nwalk\nrun\nstop\neat\ngrow\nshrink\nshop\nwork";
    form.list5.value = "big\nsmall\nold\nfast\ncold\nhot\ndark\ndusty\ngrimy\ndry\nrainy\nmisty\nnoisy\nfaceless\ndead";
    form.list6.value = "quickly\nloudly\ncalmly\nquietly\nroughly";
    form.list7.value = "";
    form.list8.value = "";
    form.list9.value = "o\noh\nooh\nah\nlord\ngod\ndamn";
} else {
    clear_all(form);
}
form.outtext.value = "";
count_all_lines(form);
}

function clear_all(form)
{
form.Samples.value = "-";
form.title1.value = "";
form.title2.value = "";
form.title3.value = "";
form.title4.value = "";
form.title5.value = "";
form.title6.value = "";
form.list1.value = "";
form.list2.value = "";
form.list3.value = "";
form.list4.value = "";
form.list5.value = "";
form.list6.value = "";
form.list7.value = "";
form.list8.value = "";
form.list9.value = "";
form.sentences.value = "";
form.outtext.value = "";
count_all_lines(form);
}

function count_all_lines(form)
{
nwords1 = count_lines(form.list1);
nwords2 = count_lines(form.list2);
nwords3 = count_lines(form.list3);
nwords4 = count_lines(form.list4);
nwords5 = count_lines(form.list5);
nwords6 = count_lines(form.list6);
nwords7 = count_lines(form.list7);
nwords8 = count_lines(form.list8);
nwords9 = count_lines(form.list9);
nsentences = count_lines(form.sentences);
}

function random(maxnum)
{
r = Math.floor(Math.random() * maxnum) + 1;
if (r > maxnum) r = maxnum;
return r;
}

function count_lines(txt)
{
str = txt.value;
len = str.length;
nword = 1;
for (i = 0; i < len; i++) {
    if (str.charAt(i) == "\n") {
        nword++;
    }
}
if (str.charAt(len-1) == "\n") nword--;
return nword;
}

function get_line(str, lnum)
{
len = str.length;
iline = 1; ichar = 0; jchar = -1;
for (i = 0; i < len; i++) {
    if (str.charAt(i) == "\n") {
        iline++;
        if (iline == lnum) {
            ichar = i + 1;
        } else if (iline == (lnum + 1)) {
            jchar = i - 1;
            if (str.charAt(jchar) == "\r") {
               jchar--;
            }
            break;
        }
    }
}
if (jchar < 0) jchar = len - 1;
// Note: Use loop because substr() doesn't work consistently on old browsers
s = "";
for (i = ichar; i <= jchar; i++) {
   s = s + str.charAt(i);
}
return s;
}

function initial_cap(str)
{
// Note: Use loop because substr() doesn't work consistently on old browsers
len = str.length;
s = "";
for (i = 0; i <= len; i++) {
    if (i == 0) {
        s = s + str.charAt(i).toUpperCase();
    } else {
        s = s + str.charAt(i);
    }
}
return s;
}

function make_poem(form)
{
form.outtext.value = "";
count_all_lines(form);
nlines = random(4) + 1;
for (ilin = 1; ilin <= nlines; ilin++) {
    make_poem_line(form)
}
}

function make_poem_line(form)
{
pattern = get_line(form.sentences.value, random(nsentences));
lenpat = pattern.length;
for (ichr = 0; ichr < lenpat; ichr++) {
    chr = pattern.charAt(ichr);
    // If the pattern contains a digit n, then pick a random word from list n
    if ((chr >= '1') && (chr <= '9')) {
        if (chr == '1') {
            wrd = get_line(form.list1.value, random(nwords1));
        } else if (chr == '2') {
            wrd = get_line(form.list2.value, random(nwords2));
        } else if (chr == '3') {
            wrd = get_line(form.list3.value, random(nwords3));
        } else if (chr == '4') {
            wrd = get_line(form.list4.value, random(nwords4));
        } else if (chr == '5') {
            wrd = get_line(form.list5.value, random(nwords5));
        } else if (chr == '6') {
            wrd = get_line(form.list6.value, random(nwords6));
        } else if (chr == '7') {
            wrd = get_line(form.list7.value, random(nwords7));
        } else if (chr == '8') {
            wrd = get_line(form.list8.value, random(nwords8));
        } else if (chr == '9') {
            wrd = get_line(form.list9.value, random(nwords9));
        } else {
            wrd = '';
        }
        // Capitalize first letter of sentence
        if (ichr == 0) {
            wrd = initial_cap(wrd);
        }
        form.outtext.value = form.outtext.value + wrd;
    } else {
        form.outtext.value = form.outtext.value + chr;
    }
}
form.outtext.value = form.outtext.value + "\n";
}

And the .html:

PHP Code:
<!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 http-equiv="Content-Type" content="text/html; charset=windows-1252">
  <title>Poem Generator</title>
  <meta name="Description" content="Poem Generator">
  <meta name="Keywords" content="Poem Generator">
  <meta name="robots" content="all">
  <link rel="icon" href="http://thinkzone.wlonk.com/thinkzone_icon.png">
  <link rel="stylesheet" href="Poem%20Generator_files/style.css" type="text/css">
  <script type="text/javascript" src="Poem%20Generator_files/PoemGen.js"></script>
</head>

<body onload="init(document.form)" style="background-color: #99CC99;">
<div class="bodydiv" style="background-color: #99CC99;">

<div align="center">
<a href="http://thinkzone.wlonk.com/index.htm"><img alt="thinkzone.wlonk.com" src="Poem%20Generator_files/thinkzone_wlonk_trans.png"></a>
<h2>Poem Generator</h2>

<p>This makes random poems. First, it randomly selects sentence patterns.
Then, wherever the pattern has a number, it randomly selects a word from one
of the numbered word lists. You can either choose one of the sample sets of
words and sentence patterns, or you can enter your own words and sentence
patterns.</p>

<form name="form" id="form" action="">

  <input value="Make Poem" onclick="make_poem(this.form)" type="button"><br>
  <textarea cols="70" rows="6" name="outtext">Grow swiftly like a clear wind.
The reef falls like a rough sun.
</textarea><br>
  <br>
  <b>Word Lists</b><br>
  Samples:
  <select name="Samples" onchange="generate_input(this.form, this.options[this.selectedIndex].text)">
    <option>-</option>
    <option selected="selected">Sea</option>
    <option>City</option>
  </select>

  <input value="Clear Lists" onclick="clear_all(this.form)" type="button"><br>

  <table>
    <tbody>
      <tr>
        <th>1</th>
        <th>2</th>
        <th>3</th>
        <th>4</th>
        <th>5</th>
        <th>6</th>
        <th>7</th>
        <th>8</th>
        <th>9</th>
      </tr>
      <tr>
        <td><textarea cols="12" rows="2" name="title1">Concrete Nouns</textarea></td>
        <td><textarea cols="12" rows="2" name="title2">Abstract Nouns</textarea></td>
        <td><textarea cols="12" rows="2" name="title3">Transitive Verbs</textarea></td>
        <td><textarea cols="12" rows="2" name="title4">Intransitive Verbs</textarea></td>
        <td><textarea cols="12" rows="2" name="title5">Adjectives</textarea></td>
        <td><textarea cols="12" rows="2" name="title6">Adverbs</textarea></td>
        <td><textarea cols="12" rows="2" name="title7"></textarea></td>
        <td><textarea cols="12" rows="2" name="title8"></textarea></td>
        <td><textarea cols="12" rows="2" name="title9">Interjections</textarea></td>
      </tr>
      <tr>
        <td><textarea cols="12" rows="10" name="list1">sea
ship
sail
wind
breeze
wave
cloud
mast
captain
sailor
shark
whale
tuna
seashell
pirate
lad
girl
gull
reef
shore
mainland
moon
sun</textarea></td>
        <td><textarea cols="12" rows="10" name="list2">adventure
courage
endurance
desolation
death
life
love
faith</textarea></td>
        <td><textarea cols="12" rows="10" name="list3">command
view
lead
pull
love
desire
fight</textarea></td>
        <td><textarea cols="12" rows="10" name="list4">travel
sail
wave
grow
rise
fall
endure
die</textarea></td>
        <td><textarea cols="12" rows="10" name="list5">big
small
old
cold
warm
sunny
rainy
misty
clear
stormy
rough
lively
dead</textarea></td>
        <td><textarea cols="12" rows="10" name="list6">swiftly
calmly
quietly
roughly</textarea></td>
        <td><textarea cols="12" rows="10" name="list7"></textarea></td>
        <td><textarea cols="12" rows="10" name="list8"></textarea></td>
        <td><textarea cols="12" rows="10" name="list9">o
oh
ooh
ah
lord
god
wow
golly gosh</textarea></td>
      </tr>
    </tbody>
  </table>
  <br>
  <b>Sentence Patterns</b><br>
  <textarea cols="40" rows="10" name="sentences">The 5 1 6 3s the 1.
5, 5 1s 6 3 a 5, 5 1.
2 is a 5 1.
9, 2!
1s 4!
The 1 4s like a 5 1.
1s 4 like 5 1s.
Why does the 1 4?
4 6 like a 5 1.
2, 2, and 2.
Where is the 5 1?
All 1s 3 5, 5 1s.
Never 3 a 1.</textarea></form>

<p>You can see the JavaScript source code in PoemGen.htm and PoemGen.js.</p>
</div>
<hr>

<div align="center">
<a href="http://thinkzone.wlonk.com/index.htm">Keith Enevoldsen's Think Zone</a> </div>
</div>

</body></html>

What I want to do is add more word lists. This of course is easy in principle - I can just continue the lists like:

form.title9.value = "";
form.title10.value = "";
form.title11.value = "";

- and so on. The problem is that, in the "sentence patterns", I cannot use numbers with two digits to refer to the word lists. Then it thinks I mean 1+0 and 1+1 instead of 10 and 11. How can I allow this? I have heard about using regular expressions to "capture the number by its word boundary" - is this a good solution? If yes, can someone please explain to me how to do it? (I have tried special characters like @,#,$ and more as well as Russian and Greek letters. This makes the script unable to generate poems.)

Thank you.

Reply With Quote

12-28-2014, 08:31 PM #2
Philip M View Profile View Forum Posts

Supreme Master coder! Join Date Jun 2002 Location London, England Posts 18,371 Thanks 204 Thanked 2,573 Times in 2,551 Posts

Convert the string values which are concatenated by + (e.g. "2" + "5" = 25) into numbers (e.g. 2+5 = 7) by using the Number() method, or another way is to multiply the value by 1.

But you are using string values
if (chr == '1') {
quite unnecessarily.
Remove the quote marks to make them into numbers.
"1" is a string value. 1 is a number

Obviously chr = pattern.charAt(ichr); only captures a single numeric chararcter.
You can extract two-digit numbers from a string just by removing all non-digits
var x = str.replace(/[^0-9]/g,""); // strip all characters but digits
That of course assumes that there is only one number in the string.

Haikus are easy
But sometimes they don't make sense.
Refrigerator.

Validation For Numbers

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Hello friend,

I need a JS validation code for validating numbers such that,Empty space and characters(including + and -) shouldn't be allowed,there should be only one decimal point,spaces and characters between numbers also shouldn't be permitted.

How To Display The Sum Of The 20 Numbers

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helow to all im new here?

iwant to ask on how to display the sum of the 20 numbers i allready get the everage but i want to display the sum together of the everage this my code..

<html>
<body>
<script type = "text/javascript">
var numtotal = parseInt(prompt("How many numbers do you want to sum up?",""));
var total = 0;
for (var i=0; i<numtotal; i++) {
var ans = parseFloat(prompt ("Enter a number", ""));
if ((isNaN(ans)) || (ans == "")) {
alert ("You must enter a number!! ");
i -- ;

}
else {total = total + ans/numtotal};
}
alert (total); // the total
</script>
</body>
</html>

any body help me please?

Js Adding Numbers

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Hi,

Want to add numbers using JS. Have 4 text boxes for user entry. Want either a label (preferred) or fifth text box to automatically sum those entries. Did following but not working. Any suggestions?

<script language="javascript">
var addRange = function()
{
var NoHrsRangeComp = document.getElementById("NoHrsRangeComp");
var NoHrsRangeCred = document.getElementById("NoHrsRangeCred");
var NoHrsRangeOT = document.getElementById("NoHrsRangeOT");
var NoHrsRangeRC = document.getElementById("NoHrsRangeRC");
var RangeSum = document.getElementById("RangeSum");
var sum = 0;

if (isNaN(parseFloat(NoHrsRangeComp.value))){
NoHrsRangeComp.value = ""; }
if (isNaN(parseFloat(NoHrsRangeCred.value))){
NoHrsRangeCred.value = ""; }
if (isNaN(parseFloat(NoHrsRangeOT.value))){
NoHrsRangeOT.value = ""; }
if (isNaN(parseFloat(NoHrsRangeRC.value))){
NoHrsRangeRC.value = ""; }

sum = parseFloat(NoHrsRangeComp.value) + parseFloat(NoHrsRangeCred.value) + parseFloat(NoHrsRangeOT.value)
+ parseFloat(NoHrsRangeRC.value);
RangeSum.innerHTML = sum;
}
</script>

Input as follows:

<input style="width: 50px" type="text" name="NoHrsRangeComp" id="NoHrsRangeComp" onblur="addRange();"/>

<input style="width: 50px" type="text" name="NoHrsRangeCred" id="NoHrsRangeCred" onblur="addRange();"/>

<input style="width: 50px" type="text" name="NoHrsRangeOT" id="NoHrsRangeOT" onblur="addRange();"/>

<input style="width: 50px" type="text" name="NoHrsRangeRC" id="NoHrsRangeRC" onblur="addRange();"/>

<input style="width: 50px" type="text" name="RangeSum" id="RangeSum" onblur="addRange();"/>

For above entry prefer - label makes it look more like usual addition and does not confuse users to want to make entry.

<label id="RangeSum" onblur="addRange();" style="border-bottom:medium"></label>

John

Random Numbers

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Hi,
I have this bit of java code that puts a random/unique number in a field on my web page:
<html>
<head>
</head>
<body>
<form>
<input type="text" name="MyField" />
</form>

<script langueage="javascript" type="text/javascript">
var d = new Date();
var tm = d.getTime();

document.getElementsByName('MyField')[0].value=tm;
</script>

</body>
</html>

My problem is that I want to limit the number to just 6 digits. Is this possible?

Any help would be much appreciated

Thank you

Dave

Pick Three Numbers / 777

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Hi, greeting all.

could you help me please to edit this javascript, I'd like to add a message alert if the values stopped on (777)

Live Demo
Code:

<script language="JavaScript">

function begin() {
 i=0;
 document.form.col1.value="V";
 document.form.col2.value="V";
 document.form.col3.value="V";
  roll(speed);
}
function roll(speedB) {
  if (document.form.col1.value=="V") {
     document.form.a1.value=Math.floor(Math.random()*9) +0  ;
  }
  if (document.form.col2.value=="V") {
   document.form.a2.value=Math.floor(Math.random()*9)+0  ;
  }
  if (document.form.col3.value=="V") {
   document.form.a3.value=Math.floor(Math.random()*9)+0  ;
  }
   timerid=setTimeout("roll("+speedB+")",speedB);
}
function stop(col) {
  if ( col==1) if(document.form.col1.value!=" "){
   document.form.col1.value=" ";i++;}
  if ( col== 2) if(document.form.col2.value!=" "){
   document.form.col2.value=" ";i++;}
  if ( col==3) if(document.form.col3.value!=" "){
   document.form.col3.value=" ";i++;}
 //  speedB=500000;roll(speedB);
}
</script>

Converting Numbers!

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Code:

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
</head>
<script type = "text/javascript">
	
	var strCurrency = new Array(6);
	strCurrency[0]="Pound";
	strCurrency[1]="Marc";
	strCurrency[2]="Franc";
	strCurrency[3]="Dollar";
	strCurrency[4]="Nordic";
	strCurrency[5]="Fivesmon";

	var dblExchangeRate = new Array(6);
	dblExchangeRate[0]="1";
	dblExchangeRate[1]="74";
	dblExchangeRate[2]="8.54";
	dblExchangeRate[3]="6.25";
	dblExchangeRate[4]="98.1";
	dblExchangeRate[5]="1.32";

	function convertNumbers
	{

	}

</SCRIPT>

I want to see what the function would look like to be able to convert into different currencies by using arrays. I know that this would be a useless way to do it as they are updated every day, but it's for personal education purposes.

(Note: The website contained a textbox in which to enter the amount in pounds, a drop-down box allowing the user to select currency, a button to click to convert, and another text box showing amount of money after converting.)

Any help is greatly appreciated.

Sequence Of Numbers

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This textbook is complete garbage, there is nothing in this thing about this topic at all. Here is the question I am trying to do: "Suppose you have a sequence of numbers
Where every number is the previous number plus 3
1, 4, 7, 10, 13, 16, 19, 22
Write a program to output the first 10 number s of the sequence. You must calculate the numbers, you cannot just hard-code them into an array."

Its a question on a test study guide.

Heres what I got so far: Code:

<html>
<head>
<script type="text/javascript">
VarX = 1
i = 3
VarY = VarX + i
count++
do
varY 
while count < 10
</script>
</head>
<body>
</body>
</html>

Comparing Decimal Numbers

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I am trouble in comparing decimal number.

var1 = 0.25
var2 = 0.50

if (var1<var2)
{
alert("Value is less than minimum")

}
else
{
return true;
}

How can I make it work. Thanks for help in advance

String For Phone Numbers

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Hello Everyone!

How can I write a string in JavaScript that will accept any phone number.

Thanks

Adding Numbers Using Cookies

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Hey, I'm trying to do a homework problem that involves using cookies to add numbers. Here is what I've done so far:
Code:

<!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 http-equiv="Content-Type" content="text/html; charset=utf-8" />
		<title>Homework 26.9</title>
        <script language="javascript">
			function createCookie(name, value, expiredays) {
				todayDate = new Date();
				todayDate.setDate(todayDate.getDate() + expiredays);
				document.cookie = name + "=" + value + "; expires =" + todayDate.toGMTString() + ";";
			}
			function printCookies() {
				document.write("Cookies a  " + document.cookie + "<br />");
				document.write("Length of cookie string = " + document.cookie.length);
			}
			function overwriteCookie(name, value, expiredays) {
				todayDate = new Date();
				todayDate.setDate(todayDate.getDate() + expiredays);
				document.cookie = name + "=" + value + "; expires=" + todayDate.toGMTString() + ";";
			}
			function readCookieValue() {
				allCookies = document.cookie.length;
				if (allCookies == 1) {
					//split each name/value pair into its name and value
					args = document.cookie.split(';');
					for (i = 0; i < args.length; i++) {
						//split each name/value pair into its name and value
						nameValue = args[i].split("=");
						name = nameValue[0];
						value = nameValue[1];
						//remove leading whitespace from cookie name
						if (name.length != 0) {
							if (name.charAt(0) == " ") {
								name = name.substr(1, name.length - 1);
							}
						}
						//unescape the values
						name = unescape(name);
						value = unescape(value);
						return value;
					}
				}
			}
			var a = prompt("How many numbers would you like to add?");
			var b;
			var c;
			var d;
			for (var i = 1; i <= a; i++) {
				if (i == 1) {
					b = prompt("Enter Number " + i + ":");
					createCookie("sum", b, 1);
				}
				else {
					b = prompt("Enter Number " + i + ":");
					c = readCookieValue();
					d = b + c;
					overwriteCookie("sum", d, 1);
				}
			}
			printCookies();
		</script>
	</head>
	<body>
	</body>
</html>

The code is simply supposed to prompt the user asking how many numbers he/she would like to add. Then it is supposed to have additional prompts asking for each individual number. As the numbers are being inputted, it is supposed to keep a running sum via cookies and then output the total at the end.

The problem that I'm having is that I don't think the cookies are even being created which is weird because the createCookie(), printCookie(), and overWriteCookie() methods are copied directly from the textbook.

Any help would be greatly appreciated. Thanks.