Declaring Parameter As An Array?
Jun 10, 2010
I have a php script which calls a javascript function with a parameter. I am having trouble getting this parameter act as an array inside the javascript function:
php:
Code:
<? $array1 = '"apple","orange","banana"';
$array2 = '"corn","bean","beet"';
$arrays = $array1.'///'.$array2;
[Code]..
JS sees fruits and vegs as a string rather then an array, so if I try to output fruits[0]; it gives me the entire string rather then seeing it as an array and giving me the first element.
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Mar 27, 2010
(the "code" below is pseudo code, just to get the idea across)
Here's what I currently have:
var bill = new array[20];
var sam = new array[20];
var nancy = new array[20];
var Oscar = new array[20];
I'm assigning objects to them (ie Oscar[5] = new objLabel() This seems like a kluge, however. Here's what I'd like (again, pseudo-code)
var Objects = {bill:null; sam:null; nancy:null; Oscar:null};
var theObject = new Array of Objects[20];
// yes: i know that's wrong... and that's the part I'm having trouble with
so that I can do something like:
[Code]....
Just seems to me that keeping a single array of multiple objects is likely to be less error-prone than multiple arrays of single objects... But I don't have the syntax right... or can it be done in JS? If it's doable, would someone be kind enough to show me how to declare and access that example?
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Aug 28, 2009
What I want to do is declare an empty array. so i do it like this:
var changedValues = {};
Now i m populating this array dynamically with values, something like this
changedValues[elemName] = elemValue;
This also works fine. BUT, when i do a alert(changedValues.length)....
it gives "UNDEFINED" even though the array is not empty. Saw it through firebug .. Can anyone tell me wht is happening here?
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Oct 12, 2010
Demonstration code:
The 'array' variable contains strings representing the id's of different elements. If the for loop above were to finish iterating, would all the links in all three elements call the click function (that displays an alert message), or would only the last element ("element3") have the click function? For me, the latter seems to be the case unless if I'm doing something wrong, but I would like clarifications and, if possible, alternative solutions as to how I can achieve the former result.
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May 25, 2007
I have a function: ini()
In that function, i call a function (load_CDThumbnail) that creates an
array and returns the newly created array
Then, another function is called (show) that needs to pass the newly
created array as a parameter. That's the part that i don't know how to
program How to pass an array as a parameter? Code:
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Oct 13, 2011
This is my jquery response:
[
{ "depot":
{ "id": "D1",
[code]....
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Feb 15, 2012
I want to pass Array or Object as parameter in function But can't, Here is my code
var InfoArray = new Array();
for(i=0;i<5;i++)
{
InfoArray['name'] = "ABC";
InfoArray['id'] = "A123";
[Code]....
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Dec 7, 2010
why this code works in FF, but fails in MSIE? In particular the content / display of the <select> options.
What is different in the executions of the same script on different browsers?
What can I do or change to make it work in both browsers?
Code:
<html>
<head>
<title> Pass array by reference </title>
<script type="text/javascript">
[Code].....
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Jul 14, 2009
I want to use ajax to submit a dynamic form which can be filled with infinite elements. The only problem is passing all of the values of those elements through the ajax and onto my jsp page where they will be processed.
Code:
"promptIds=" + document.getElementsByName("promptId")
That is one of the arrays that I send and I am using jsp, but in any case, how would I parse the array to be usable?
Code:
String promptIds = request.getParameter("promptIds"); System.out.println(promptIds);
The above code outputs "[object HTMLCollection]". How would I go about parsing the array of elements?
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Sep 8, 2011
I have a understanding problem with this:
var loadData = function(){
$.post('/search.php', { myvar: 12345 }, function(data){
$.each(data, function(key, val) {
// here I have to validate my data I retrieved
if(first condition){
return false;
[Code]...
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Aug 21, 2010
I worked on a simple image slide-show with javascript, and I assigned a value to a var outside of a function using getElementById() like this:
Code:
window.onload = initLinks;
myImg = new Array("images/img01.jpg","images/img02.jpg","images/img03.jpg","images/img04.jpg");
curPic = 0;[code]..........
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Jul 30, 2010
is there any real difference between these two function declarations?
function DoSomething(parm) {
//do something here
}[code]...........
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Apr 30, 2007
I've always wonder if there is diference when declaring and
initializing a varible inside/outside a loop.
What's a better practice?
Declaring and initializing variables inside a loop routine, like this:
for(var i=0; i<list; i++)
{
var name = list[i];
}
or outside a loop routine, like this:
var i;
var name;
for (i=0; i<list; i++)
{
name = list[i];
}
or are both the same....
As a programmer, i always try to practice good programming. I always
thought that by declaring and initializing the variable inside the
loop, i was creating a new memory space every time instead of just 1
time...
What do you think?
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May 21, 2011
I am doing a Validation for Form "Text input". If the user leaves the input empty, a function is starting to run. If the field is bigger than 1 - so it doesn't get into the function.
The problem is: The first time, the user left the input empty, function ran, and I got the alert - that's OK. Second time, The user added 10 in the AGE input - And again he gets the Alert - But he should not.
Note: Age input value, returns from a different function (calc) to a var called: result.
[Code]...
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Mar 15, 2011
Trying to build a little tool here..
<html>
<body>
Artist ID: <input type=TEXT id=ArtistID name= ArtistID value="Artist ID">[code]....
I'm trying to save the input and pass it into the URLs that are the option values. So Artist ID being 111 would take you to url..../<WHATEVER OPTION YOU CHOSE FROM DROP DOWN>/111
What am I doing wrong/What am I not doing?
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Oct 9, 2005
I have a javascript function that is called in an OnClick event for a
button.
I am attempting to get the function to open a web page in a new window
in response to a button click.
I can get the page to open if I use the following syntax (hard code the
address)
var newwin =
indow.open("http://www.w3schools.com","","width=1200height=1000");
However, If I pass the url in as a parameter to the function (as below)
the value passed in is "Undefined" and obviously the page will not open
function openThePage(url)
{ url = "http://www." + url;
var newwin = window.open(url,"","width=1200height=1000");
}
<input
class="mybutton"
type="button"
name = "W3Schools"
value="w3schools.com"
onclick="openMyUrl(W3Schools.Value)">
Anyone any idea how I can do what I want - what I am doing wrong. I am
grey enough as it is and I don't want to start pulling my hair out.
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Jun 14, 2010
I'am building a little site with jquery. Now I have a Problem. I want that if in the url ?product=anyid is, a function is called. If the url is empty and has no parameter the normal site should appear and run.This is for building a permalink to products and you can open them with [URL].
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Sep 16, 2010
What is the best way to handle space in a pop up window parameter?
Code:
<script type="text/javascript">
// Popup window code
[code]....
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Jun 4, 2009
I have a URL...How can i extract string 'google' from above URL.
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May 23, 2010
how a javascript can get a cookie and use it as a parameter like [URl]..
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Sep 26, 2011
I am in doubt if im doing this correct. I have a TD which I have a onclick and a google event tracking code on. But om not shure if I have set it up correct. The () and the , might be wrong..?
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Oct 5, 2011
I have this code which works fine:
But I dont now the parameters instead of window.open, if I want it to open on top.
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Apr 28, 2010
I am trying to pass the appropriate parameters but nothing seems to be working?
function calcSubTotal(unitPriceId, qtyId, subTotalFieldId) {
var unitPrice = parseFloat(document.getElementById(unitPriceId).value);
var qty = parseInt(document.getElementById(qtyId).value);
<tr>
<td><table><tbody>
[Code]....
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Oct 25, 2004
I have a checkbox in a form that submits to another page along with a couple of other fields in the form. Problem is I need the info to be received as url parameters on the second page. All is good except for the checkbox. The checkbox only creates a url parameter if it's checked, otherwise there's no url parameter for it. Is this typical?
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Jan 17, 2010
This code below is done by JMRKER on this forum.
Code:
<html>
<head>
<title>DD Times</title>
[code]....
I'm trying to use it again with bit of modification but I'm not quite sure if this is possible. I'm working on JSP pages I've passed a textfield ID parameters and received it on other page(jsp) like so;
Code:
<%= request.getParameter("id") %>
I'm gonna use this ID as a StartTime. How can I use this with StartTime that is in this JavaScript function so that StartTime would be what the ID is and EndTime can be choosen by dropdown box?
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Jan 25, 2010
I am looking for a simple script that can read the parameter from the URL and pass it into a HTML textfield element.
www.example.com?email=test@test.com
On the page the email text field should be pre-populated on load.
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