Make This Function To "addition" Instead Of "concatenation"?
Feb 10, 2010javascript Code:
Original
- javascript Code
[code]....
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Addition Instead Of Concatenation?
Feb 10, 2010var purchasePrice = window.prompt("Please enter the purchase price:", 0);
function calculateTotalCost () {
if (purchasePrice <= 25) {
[code]...
I am still getting the same error, concatenation instead of addition, i can't figure out why. (i.e input 50, result 505 instead of 55.):
String Concatenation Not Working?
Apr 19, 2010I got this page: [URL]
I got this PHP script which generates a javascript array of filenames. Everything works fine when I add DIRNAME to the array strings in PHP, but if I want to concatenate the strings in this for loop, it gets weird.
I've tried alert() both arrays when they are the same, and there is no difference there, however when the array of files (fadeimages) is supposed to get loaded into the slideshow it doesn't get displayed.
When I look it from the Google Chrome Inspect element, the image src is the url and /i. That's the begging of the path name, but why only the first letter?
Addition
Mar 14, 2007I have following function, but how can I do addition?
if
f.Field1.value =2
f.Field3.value =3
f.Field4.value =1
then
f.Total.value =231, instead of 6
function update( ) {
var f = document.myform
f.Total.value = f.Field1.value + f.Field2.value + f.Field3.value
return true;
}
Addition Of Elements In An Array
Aug 16, 2011I am trying to add the elements in an array together and display the result, I am using a user prompt to obtain the elements for the array, this works fine but when I come to add the elements together and display the result all I get is a row of the elements not their sum. The user inputs are all integers (the program adds the prices of items together so they are all numbers,amounts). If the user enters 10, 15,15,20 the result I get is 10151520 not 60.
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Mar 12, 2006Talking about a js script which changes an iframe src through a "ref_to
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Of course, knowing, I don't want (and can't n some cases where document
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In fact, I've through about the idea to on fly add an "onload='check
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Simple Addition Using Integers Stored In Variables
Mar 31, 2007i have this simple function...
function update(value, oldvalue)
{
var a = value;
var b = oldvalue;
var result = a + b;
document.form.fieldname.value=result;
}
and call the function using a field with this...
onkeyup="update(this.value, other)"
But all its doing is concatenating the 2 numbers together as though they are strings!!!
so if this.value = 11
and other = 15
it displays 1115
i want to add them and display the total, do i need to specify them as being integers or something?
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Jan 30, 2009I am having trouble making a website for a vacation rental I pieced this javascript code and form together with a simple goal in mind: -to have 3 checkboxes each with its unique variable
weeks: 2,000
weekends: 325
weekdays: 275
-to allow users to check one or more of the checkboxes, and multiply it by a quantity they choose (ie "I'd like to stay for two weeks (2 x 2,000=6,000) and one weekday (1 x 275=275)
-finally, to add up the totals at the end (6,000 + 275=6,275)
[Code]...
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[Code]...
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[Code]...
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When the page loads, you have to click the Start button to get the
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I thought it was just a question of putting the line
startIt(); Code:
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function() {
var something = 'hello';
}
function(something) {
document.write(something);
}
something like that possible??
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Jul 23, 2005I Have to sets of Radio buttons like so:
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<input type="radio" name=p1 value=2>
<input type="radio" name=p1 value=3>
<br>
<input type="radio" name=p2 value=1>
<input type="radio" name=p2 value=2>
<input type="radio" name=p2 value=3>
then a text area and a button:
<input size=7 name=total>
<input type="button" onclick=c()>
the function checks for the radio buttons then outputs its value in text
area.
<script type="text/javascript">
function c()
{if (p1[a].checked&&p2[b].checked)
total.value=parseFloat(p1[a].value)+parseFloat(p2[b].value)
}</script>
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Shows function -
function loaddates()
{
var xmlData = document.getElementById("tourdates");
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[code]...
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I've got the following code and when I disable javascript, I get a nasty long list of images :(
Jquery code:
Html code:
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[Code]..
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Event.add(window, 'load', function()
{
Event.add('addressSearch', 'click', function()
{
ClickGeocode();
[Code].....
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function img1click() {document.IMG.src="imagelibrary/dazzlebig.jpg";}
function img2click() {document.IMG.src="imagelibrary/gunshotbig.jpg"}
function img3click() {document.IMG.src="imagelibrary/searoombig.jpg"}
[code]....
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Feb 20, 2009I have below code to create two ajax requests. When ajax requests fetched, they alert the related request number.
Code JavaScript:
function ajaxIt(url,num){
var req = new XMLHttpRequest();[code]....
why removing var phrase overwrites requestNum value for two different asynchronous functions? How can I make sure variables are not overwritten by different function calls?