Does Variables Value Become Available To Other Functions Within The Document?
May 17, 2009When assigning a value to a variable within a function, does that variables value become available to other functions within the document?
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Keeping Variables Between Functions ?
Dec 13, 2009I've noticed that if you declare a variable in one function, then call another function, the variables cannot be accessed in that function. Is there any way to get the value of a variable declared in a different function?
View 5 Replies View RelatedPassing Variables In And Out Of Functions
Nov 3, 2010To formulate the problem simple i have two buttons with the onclick function:
I guess what im asking is how can you set a variable by one onclick function and then use it in any other function?
Pass Two Php Variables Into My JS Functions?
May 2, 2009i just want to pass two php variables into my JS functions. but it seems its passing one value and another is showing undefine.
HTML Code:
<input text="text" name="friends1" value="" id= "friends1"/><span><input type="hidden" name="id" value="<?=$row['id'];?>" /><a href="javascript:edit(<?php echo $row['id'];?>,friends1);"></span>Edit</a>
edit.js[code]...
i am getting friends value but not getting id's value.how can i pass these two values?
Access Parent Functions Variables?
Jul 5, 2010Code...
I am trying to create a simple class in which i want to sent the id of a div to fade in and fade out...
so that i can dynamically change its color width and height with a basic class.
I read about closures but inside jquery this is referring the div notex....
how to access parent functions variables?
Passing Variables To Multiple Functions?
Sep 5, 2010I'm new here, and new to js. Here is my problem: I have written out a code to make an image switch from state 0 to 1 and back to 0 again (an eye blink). The code works fine, but I would like to write the functions with arguments so it could be applied to more images. I have tried for a few hours (and searched forums) and am getting no where. Here's my code.
Code:
function home_blinkDown()
{
//alert('blink down');
var t = setTimeout("home_blinkSwap('home_js', 'images/main/home_blink.png')", 2000);
[Code]...
JQuery :: How To Write Global Variables In Functions
Nov 26, 2010I cannot findout how I can write to global variables in a a JQUERY function.
<script type="text/javascript">
function checkusername (username ) {
$.post("[URL]", {
action: 5, username: username },
function(xml) {
result = $("apot", xml).text();
//<-- this variable is not global... why ??
message = $("message", xml).text();
//<-- this variable is not global... why ??
alert(message); //<--here variables are shown ok
alert(result);
});
alert(message);
//<--here variable is NULL !!
alert(result);
//<--here variable is NULL !!
}
</sctipt>
Scope Of Variables When Adding Functions With Prototype?
Jul 12, 2009I'm trying to learn more about creating and using JavaScript objects and ran into this situation the other day:
Code:
function someObject() {
var size = "large";
[code]....
Passing Values Of Variables Between Functions Not Working ?
Aug 12, 2010I'm trying to trap a user entry that cannot be found in the database. When a code is entered, the page should give a "Code Not Found" message if it is an undefined value.
However, it didn't; and it always shows the "undefined" value to the page instead.
Here's what I actually did:
getting user input:
Finding the code:
JQuery :: Passing Local Variables To Callback Functions?
Jun 2, 2011for some time I always found a workaround for this kind of problem. But somwhow, it feels wrong. So I'd like to know, if there's a common way to solve something like this[code]...
I'm defining the function and if the value of 'obj' hasn't until the function really gets called, this can work. But it just feels so wrong do have always global variables just to access them inside of a callback.[code]...
Variables Scope In Dynamic Functions - Display The Number 1 At First And Then 2
Mar 19, 2011I have got this piece of code:
Code:
I would like to display the number 1 at first and then 2. but this code produces number 2 for both alerts. I was able to achieve what i wanted with "new" constructor when creating functions but this is not a good practice and after all i am passing these functions as an event handlers and it can't be done with "new" keyword because it is throwing error. I think there are some solutions with arrays e.g the x would be an array of numbers, but i don't like it. Am i missing something important?
How To Use Variables In Document.evaluate()
Nov 21, 2006I met a problem when using document.evaluate() to get text content
using XPath, my code is as follows:
nodes = document.evaluate("/html/body/div/ul[1]/li[5]", document,
null,XPathResult. UNORDERED_NODE_SNAPSHOT_TYPE , null);
in the XPath expression "/html/body/div/ul[1]/li[5]", I need to
traverse from li[1] to li[5],
so I should use a variable here , like this:
for (index =1; index<6; i++)
{
nodes = document.evaluate("/html/body/div/ul[1]/li[index]", ....);
// the variable index here is invalid!
}
my question is: How to use the variable in XPath expression?
Passing Variables To Functions - Disable Elements Of A Form Based On Which Options Are Selected
Feb 2, 2010I'm trying to make a function that will disable elements of a form based on which options are selected.
I have made this work for individual form controls but now i want to make it into a function that could be used on any form control.
Here is the broken function
Code:
I've probably just missed something but i really cant see what?
JQuery :: Call Functions Outside Document.ready?
Jan 18, 2010I'm quite new to Javascript and jQuery in general, and now stuck with a problem.In my header I added a Javascript file like this:
$().ready(function(){
function hello(){
alert('hello');
[code]....
Using Variables In A Document.form.value String
Jul 23, 2005I have a PHP page generating a list of items. I've made it so that
each one has a radiobutton with a unique value. You can click on the
radiobutton and it will change the value of a text field to the value
of the radiobutton--all that works fine!
Now, I need to also have it populate a textfield with the value of a
textfield in the row that's selected.
I can make unique field names, no problem. I think my problem is
getting the javascript written so that it recognizes the variable.
Well, see below. As it's written below, the textfield "itemqty" always
has the value "NaN" (wherever THAT comes from) no matter which
radiobutton I select.
Use Variables In Document.form.Q[0].value Statements
Oct 7, 2009I am trying to write a multiple-choice quiz for my chemistry class where ten questions are selected randomly from a block of about 100; then I want the students to click a button and grade their quiz. I have stored the questions in an array named Q and each radio button has a name property corresponding to the array entry (the buttons in Q[1] have the name Q1, etc.). I generate the exam in the body of the page between form tags using a document.write statement and all of the questions and buttons appear properly. I cannot, however, figure out how to get the value of the button that has been checked for the randomly selected questions.
As the questions are selected, I record the question number as a variable; for example �Qnumber1 = Q(random_num)�. The variable does, in fact, have the proper value (for example Q1) but when I try to read the value of the radio buttons in the Q1 set using:
document.form1.Qnumber1[0].value
it doesnt work!
JQuery :: Accessing Functions Inside $(document).ready()?
Sep 21, 2009I've got a js file where all the functions are wrapped inside $(document).ready(). I want to call one of the function from within the HTML but it says that the function "is not defined".
View 10 Replies View RelatedJQuery :: Iframe Accessing Main Document Functions?
Sep 14, 2009<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font:inherit;">Is this possible? Been trying but doesn't seem to work...</td></tr></table>
View 1 Replies View RelatedJQuery :: Control The Sequence Of $(document).ready Functions?
Apr 6, 2011Does anyone know how to control the sequence of JQuery $(document).ready functions? For example:
$(document).ready(function() {
...
});
Only if this returns true then do:
$(document).ready(function() {
...
});
Pull Variables From URL And Post In Document Code?
Jan 17, 2009my url read index.html?pagego=collections
here it he code I have that is pulling the variables from the URL
function getUrlVars(){
var vars = [], hash;
var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
[Code]....
and here is the code I use to alert
var hash = getUrlVars();
alert(hash['pagego']);
this works perfectly and alerts with the variable when I load he page.
Now when i am embedding my flash file i want to pass the variable to my flash by just adding the variable value to my embed code.
how can I do this?
here is my swf embed code
var so = new SWFObject("main2.swf?pagego="+THIS IS WHERE I WANT THE VARIABLE TO BE, "Preview", "100%", "100%", "9", "#ffffff", true);
so.addParam("scale", "noscale");
so.addParam("salign", "lt");
so.write("flashcontent");
JQuery :: Calling Functions Between Multiple Document Ready Events?
May 29, 2009I know that you can have more than on document ready event without difficulty. i.e.
$(function(){
// document ready 1
});[code]....
The question I have is, is there any way for them to call functions from one to the other? The following does not work:
$(function(){
function displayMessage(){ alert('hello world'); };
});
$(function(){
displayMessage();
});
This invokes a js error complaining that displayMessage() is not defined.
JQuery :: Functions Are Listed As Undefined - $(document).ready() Doesn't Work
Nov 23, 2011No syntax errors - nothing should be getting in the way of this. All I'm trying to do is implement a different an "onclick" call, which calls the function and AJAXes in some values. Here's my code:
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.0/jquery.min.js">
</script>
<script>
$(document).ready(function() {
[Code]...
I must be doing something wrong. I've tried everything...and now even $(document).ready() doesn't work
Config File + Class/Functions File - Variables Not Found?
Feb 13, 2010I have a JavaScript config file called gameSetting.js which contains a bunch of variables which configures a particular game. I also have a shared JavaScript library which uses the variables in gameSetting.js, which I include like so:
<script type="text/javascript" src="gameSetting.js" ></script>
<script type="text/javascript" src="gameLibrary.js" ></script>
In gameSetting.js I have:
$(document).ready(function()
{
// call some functions / classes in gameLibrary.js
}
in Firefox, Safari, and Chrome, this works fine. However, in IE, when it's parsing gameSetting.js, it complains that the functions that live in gameLibrary.js aren't defined. When it gets to parsing gameLibrary.js, the variables in gameSetting.js are reported as not being defined. I've tried dynamically bootstrapping the gameLibrary file using this function in document.ready for dynamic load.
However, the same problem still happens in IE, where when it parses the files individually it's not taking into context the file/variables that came before, so it's not an out of load order problem.
My options are:
1) collapsing all the functions in gameLibrary.js and variables in gameSetting.js into one file. However, this is not practical because this is dealing with literally hundreds of games, and having a gameLibrary.js in ONE location for ONE update is what makes most logical sense.
2) figure out a way to get this to work where variables in file1 are accessible to file2 in IE (as it seems they are in other browsers).
jQuery seems to be able to have multiple plugins that all refer to the based jQuery-1.3.2.js, so I know there is a way to get this to work.
Function To Change Variables In A Document.getElementById("test").innerHTML=..
Nov 1, 2011<html>
<head>
<script type="text/javascript">
var a = january
var b = febuary
var c = march
function test()
[Code]...
I tried to explain it pretty well in the comment tags
Getting Nested Functions To Work Within Functions?
Aug 20, 2009I have written a number of functions designed to return frequency data on 1000 randomly chosen numbers using different math functions for the rounding. I would like to include all of these functions within the wrapper of another function so that only one call is needed to get returns from all of the 'inner' functions. However, while each of the functions works in isolation, the moment I wrap them in another function they stop working. :confused:
The following code is one of the functions 'frequencyWrapperOne' that has been wrapped in the function 'testWrapper'. A call to testWrapper does nothing.
function testWrapper()
{
function frequencyWrapperOne()
{
[Code]....
Adding Functions To Properties Of Functions?
Apr 23, 2011$(something).split(something),this is a function with a function as a property for that function.
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