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Javascript Data Type Q&A » function » variable 1 

1. JavaScript Parent variables    stackoverflow.com

I have the following code:

var address;
getAddress(0,0);
function getAddress(latlng) 
{
  if (latlng != null) 
  {
    geocoder.getLocations(latlng, 
    function(addresses) 
    {
  ...

2. How to set a javascript variable or reuse one from another function    stackoverflow.com

I have a problem going on here and without going into a lot of detail and confusing everyone, let me just ask the simple question. Here are two functions. I need to ...

3. Take input text, print to page and open new window onclick    stackoverflow.com

What I need help with: My page shall take user input text, then show what was entered on the page (no alert) and open a new window on click if a match ...

4. How to set javascript variable from the inside of a function?    stackoverflow.com

please have a look at the following code. When the value of i == 0 the alert 1 prints variable values as per logic. But if I try to print values ...

5. What is the best-practice casing style for javascript? Why?    stackoverflow.com

One aspect of javascript that it's hard to find information on is casing practices. By casing practices, I mean what casing style (ie. camel-case, pascal-case, etc) should be used for ...

6. Javascript, variable reference    stackoverflow.com

In a situation like the code below how would you go about accessing a variable value that is in an anonymous function? I would like to return the bool value of ...

7. Any way that I can replace the function variable with javascript?    stackoverflow.com

Does anyone know how can I replace the passing variable in html with Javascript? Example: If I have a code as below:

<table width="150" border="0" cellspacing="0" cellpadding="2" id="productBox">
<tr>
    <td valign="top" height="19" ...

8. Variable doesn't exist in other functions (javascript & Firefox extension)    stackoverflow.com

My Firefox extension must do the following:

  1. Save the address of the current page
  2. Open a new page
  3. Put the address into the content of the new page if a button is pressed
The problem ...

9. "Usual" functions vs function variables in JavaScript    stackoverflow.com

Is there any difference between

function MyFunc() {
    // code...
}
and
var MyFunc = function() {
    // code...
};
in JavaScript?

10. How can I get the variable of outer function in Javascript    stackoverflow.com

If only string is allowed to pass into function process(), what should we do inside the function process() to access the array value. Eval is one of the method, but its ...

11. Why is there a conflict between variables and functions of the same name in JScript?    stackoverflow.com

I have a variable named age and a function named AGE. Ignore the problem I am having with JScript beign case insensitive at the moment, i.e. age(dob) and AGE(dob) both ...

12. How to find the variables defined in a function    stackoverflow.com

Suppose I have a long javascript function such as

function test() {
    var x; 
    var a;
    ...
    ...
  ...

13. Variables behaving badly - in javascript - in functions    stackoverflow.com

First off, here's my code:

var variable1 = 10;
  function f1 (){
  alert(variable1);
  }
//When button is pressed, call function
$("#button").click(f1);
Why can I not access variable1 inside the function? Many thanks and ...

14. "function foo(bar) { }" versus "foo = function(bar) { }"    stackoverflow.com

function foo(bar) {
    // ...
}
and
foo = function(bar) {
    // ...
};
What is the benefit of one versus the other? The main benefit I see in ...

15. Running Javascript function after variables are set    stackoverflow.com

I have the following functions:

// NATION
var x, y, z;
function flag(nation,area)
{
x = nation;
this.nation=nation;
var el=document.getElementById("desc");
el.innerHTML='The region you have selected is <b>'+area+'</b>';
document.getElementById("flag").innerHTML='<img src="images/flags/'+nation+'.jpg">';
}
// SERVICE
function output(service)
{
y = service;
this.service=service;
var el=document.getElementById("service-desc");
el.innerHTML='You have selected a <b>'+service+'</b> service.';
document.getElementById("clock").innerHTML='<img src="images/clock-'+service+'.png">';
}
And ...

16. smart reversing of compressed javascript with obscured variable & function names?    stackoverflow.com

I want to know if there exists a tool to help in reversing a compressed javascript that has obscure variable names. I am not looking for a pretty-printing beautifier, but for ...

17. Adding view cart function    stackoverflow.com

Hey guys need some help in adding a view cart button but I'm stuck not sure how to code it. any help? The way I have coded it is that when a ...

18. Variable function name Javascript    stackoverflow.com

I'm sorting array:

myArray.sort(comparators.some_comparator);
and I have several comparator to choose from:
comparators = {

   asc_firstname_comparator : function(o1, o2){
    ...
   }

   desc_firstname_comparator : function(o1, o2){
 ...

19. Javascript - how do i set the 'this' variable for a function    stackoverflow.com

I have a function which takes a callback function. How can I set the 'this' variable of the callback function? eg.

function(fn){
    //do some stuff
    fn(); ...

20. Is there anything bad about attaching a variable to a function in Javascript?    stackoverflow.com

I'm writing some Javascript code and I need to keep track of a global state. The state is only ever changed by a single function, but it needs to be widely ...

21. JS ?-functions & "upper context" variables    stackoverflow.com

Say I have some context where variables are set and a ?-function is called which uses them directly:

function outerContext(){
    ...
    var data = ...; // ...

22. Variable not sent to other function    stackoverflow.com

I have a number of links, that when clicked on, passes a variable thru to another portion of the page. Yet, for some reason, I can’t figure it out! What am ...

23. Javascript variable function name    stackoverflow.com

I have the following code in Javascript:

jQuery(document).ready(function(){
    var actions = new Object();
    var actions;
    actions[0] = 'create';
    actions[1] = ...

24. Javascript function variable preset    stackoverflow.com

I have a function that I want to pass an argument to, however I want it to default to 0. Is it possible todo it similarly to PHP, like:

function byMonth(export=0) {
Many thanks ...

25. How to access this variable in an inline function?    stackoverflow.com

Here is my dilemma. I've got this section of code:

var list_of_numbers = new Array();

function AddToArray(func)
{
    // Add to the *beginning* of the array
    // essentially reversing ...

26. Function required and not-required variables    stackoverflow.com

In PHP we can specify default value of variable in function like:

function myFunction(myDefaultVariable, myOtherVariable, myCheckVariable = "basic"){
    // so yeah, myDefaultVariable is required always,
    // ...

27. Javascript - Variable in function name, possible?    stackoverflow.com

i hope this question is not too simple, but i have no idea :( How can i start a function with a var in the function name? For example ... my functions

function at_26();
function at_21();
function ...

28. Why store a function in a variable?    stackoverflow.com

Possible Duplicate:
Javascript: var functionName = function() {} vs function functionName() {}
Every now and again I see examples of JS code where an anonymous function ...

29. How would you create a non localized variable in a function so that it is accessible by other functions in javascript?    stackoverflow.com

I have a variable in a function that I want to be accessible by other functions. How would you do that?

30. Javascript - Function Variable to use in another variable    stackoverflow.com

I want to use a function's variable value to build a variable in the function. Here's what I got so far:

function foo(1a, 1b) {
 var money = document.myform.1b;
}
So basically, if I pass ...

31. why are variables declared outside a function null?    stackoverflow.com

i made this using mootools:

$("fox").addEvent("click", function(){
alert("clicked");
});
and the html:
<p id="fox">A</p>
now if i try it here http://jsfiddle.net/5uJ54/3/ , it works but if i try it in a browser and thats all ...

32. Why do function variables live on when function is redefined?    stackoverflow.com

As a followup to this question still trying to grok Javascript function anomalies, can someone explain why the following code works? My text (Javascript Patterns) states:

If you create ...

33. Send a variable to a variable of a function?    stackoverflow.com

Let's say I have a function and one of the parameters is for the name of the target variable.. Would it be possible for me to send a variable to the ...

34. JS: Why isn't this variable available to the other functions?    stackoverflow.com

I've am trying to make a canvas animation:

var context;
var meter;
var pin;

function init() {
    var meter = new Image();
    var pin = new Image();
   ...

35. how to remove unused javascript functions, variables, and elements    stackoverflow.com

Possible Duplicate:
Are there any good Javascript code coverage tools?
is there a firefox addon or something that scans a web document and tells me what ...

36. Javascript newb has undefinied variable problem involving document.keydown () function    stackoverflow.com

Here's the problem, document.onkeydown = checkkeycode I'm passing two variable to checkeycode e which is storing the event and hence keycode and the array circle which I want to update with variable ...

37. How to return a variable from a javascript function into html body    stackoverflow.com

I am still new to javascript, and I am trying to get a function to return a variable using html & javascript. Basically the function should just return whichever radio ...

38. accessing variables from functions in javascript?    stackoverflow.com

how can i access a variable that was intialsed in a function, but the main.name is giving me a null value, i know the value is initliased in the function, or ...

39. What is the variable result doing in this javascript function    stackoverflow.com

In the code below, if result is set to one, the code returns a number 1024 (2 to the power of 10). If result is set to 2, the code returns ...

40. Function name from a variable in Javascript    stackoverflow.com

I create a context-menu from an array like this:

var menu1 = [
   {
      'OPTION1':function(menuItem,menu) {
         // ...

41. JavaScript: Initializing variable in function    stackoverflow.com

A somewhat basic question here. I can see what is going on but I can't really understand why it would work this way.

a = false;
var k = function() {
   ...

42. Javascript variable as function name in chain    stackoverflow.com

I am trying to pull a variable that is captured from a form element in to a function chain. The variable value needs to act as a function name. Example:

<form name="myform">
 ...

43. JavaScript advantage by placing functions inside variables?    stackoverflow.com

I have seen recent code examples placing functions inside variables and then calling the functions like normal. As in:

var myFunctionName = function() {
    Code Here...
}

myFunctionName();
I'm sure there are a ...

44. How to run a function in JavaScript every time a variable changes?    stackoverflow.com

Is there a way in JavaScript to have something like an event that listens to changes in a variable? so when its value is modified the event triggers and then I ...

45. Retrieving functions specific variables in Javascript    stackoverflow.com

I'm pretty much a complete noob when it comes to JS and I'm having the hardest time with this. I'm working with Titanium Appcelerator and I need to use the lon/lat ...

46. Javascript variable name as function    stackoverflow.com

var johnson = button.addEventListener('click', function() {
}); 
In what ways i can use this variable name. can i call the johnson as a function somewhere?

47. addEventlistner listens to function first or the variables?    stackoverflow.com

var value;
addEventListener('GetPatientSearchValues', function() {
var value= 20;
FunctionName();
});

Function FunctionName();
{
   value = value + 1;
}
My problem is i need to recieve the value 20 and i need to pass it to FunctioName. ...

48. Is there a naming convention for javascript variables that hold functions?    stackoverflow.com

setup: function (baseUrl, devModeCheck) {
where devModeCheck is a function that will be called. Is there any commonly-used naming convention in javascript that makes this intention obvious? devModeCheckFunc and fDevModeCheck both seem kind-of horrible. ...

49. Javascript: Software for rename functions and variables    stackoverflow.com

anybody knows a program or script or tool that renames functions and variables for a list of Javascript files? A program like http://javascript-source.com/index.html just open source or freeware? Thank you very ...

50. Why does this variable cause an “is not a function” error?    stackoverflow.com

 window.onload = raknaUtMedelvarde;

function raknaUtMedelvarde(){

    var tabell = document.getElementById("temperaturtabell");
    var rader = tabell.getElementsByTagName("tr");

    for (var i = 0; i < rader.length; i++){
 ...

51. how to tell if a javascript variable is a function    stackoverflow.com

I need to loop over the properties of a javascript object. How can I tell if a property is a function or just a value?

var model =
{
    ...

52. Dificulty returning a variable via a function    stackoverflow.com

I'm trying to return variables as true or false via a function. I want to do it this way so I can call ajax only once, and receive both variables back ...

53. How can I check if a javascript variable is function type?    stackoverflow.com

Suppose I have any variable, which is defined as follows:

var a = function(){/* Statements */};
I want a function which checks if the type of the variable is function-like. i.e. :
function(v){if(v is ...

54. Using javascript variables from another function    stackoverflow.com

Possible Duplicate:
How to know variables from different…“namespaces” ?
I have a webphone integrated into our webpage, and when a call comes in, a javascript function ...

55. Dynamically create variable in JavaScript function    stackoverflow.com

I cannot get this to work:

function formvalidation()
{
  var SiteNum= document.getElementsByName("sitesinput")[0].value;           
  var i=1;
  while (i<=SiteNum)
  {
  ...

56. Why put a constructor function directly into a variable?    stackoverflow.com

Im trying to set up a variable and pass it constructor function essentailly like an anonymous type in c# but javascript doesnt seem to like it...

var aPerson = function Person(){

};


$(document).ready(function(){

  ...

57. Creating Dynamic Variables & Function in JS    stackoverflow.com

I'm fairly new to JS but am familiar with AS2(Flash). In Flash I can put variables inside movieclips (objects) and have attempted to do something similar here with dropdowns: http://tamalecreative.com.au/korban/scripts/dropdown.js specifically:

 ...

58. Trying to reduce repetition of javascript using a variable    stackoverflow.com

I am trying to reduce the repetition in my code but not having any luck. I reduced the code down to its simplest functionality to try and get it to work. The ...

59. OnBlur Assignment to Function in Javascript    stackoverflow.com

I have a code like this;

<script type="text/javascript">

var ID= document.getElementById('customfield_10033');
var IDNumber= document.getElementById('customfield_10033').value; 

    ID.onblur=function(IDNumber)
{

    if ((IDNumber!="") && (IDNumber.length!=11)){
    alert("Your ID number should 11 ...

60. Access instance variable inside a function in javascript?    stackoverflow.com

How can I in the easiest way access an instance variable inside a function?

function MyObject(){

     //Instance variables
     this.handler;

     //Methods
 ...

61. Javascript function to encapsulate check if a variable is undefined?    stackoverflow.com

I've been working on a javascript library, and I have a lot of redundant checks like this:

if(typeof foo !== "undefined" && foo !== null)
So, I wanted to create a function that ...

62. Is it possible to insert external variable inside javascript function variable?    stackoverflow.com

I have two javascript methods ( imports, and namespace) imports take a string argument( eg. imports("com.x.y.MyClass")) and based on string it create a relative path and append it to head tag as ...

63. Use same variable that is defined in another function    stackoverflow.com

This may seem simple to some but I am less experienced with JavaScript. I have two functions. One is called when my upload begins. The next is called when my upload ...

64. Why in knockout.js examples is the viewmodel sometime defined as a function and other times a direct variable definition?    stackoverflow.com

i am trying to understand what is the best practice for defining and organizing my js viewmodels with knockout. I am not js genius so... Ok so in many of the examples ...

65. How to access variables within another function    stackoverflow.com

I'm writing code for a blackjack game and have run into some problems. I have written two functions: one for the initial deal and one for each consecutive hit. this is ...

66. How to make variables go inside a javascript function?    stackoverflow.com

i got in one scope this function:

AjaxState.prototype.run_on_finish = function(callback){
    if (this.isRunning()){
        setTimeout('AjaxState.obj().run_on_finish('+callback+')', 250);
    }else{
     ...

67. Loading multiple scripts with same variables/functions    stackoverflow.com

Is it possible to load multiple scripts with same variables/functions in JS, without overriding the old value of the variable. For example to create an own scope/sandbox or object for each ...

68. Toggle variable trough a function    stackoverflow.com

this question is pretty straightforward. I want to be able to detect whether a variable is false, and set it to true, commonly known as toggle. Here is it:

var hello = false ...

69. how can i use variable of without functions (javascript)    stackoverflow.com

how can i use variable of without functions: sample:

var name = 'Jim';

function is_name()
{
alert(name);
}


is_name() //alert : Jim
tanX

70. Javascript: variable assignment in functions    stackoverflow.com

Consider these two blocks: Block A

obj = {
    a: 1,
    b: 2,
    c: 3,
    f: function() {
    ...

71. Why can I not successively increment a variable within a function?    stackoverflow.com

I'm trying to add 10 over and over for every invocation of d. It stays 20 every time, why?

function d() {
    var c = [10];
    ...

72. alternative to 'this.variable' inside constructor functions's methods    stackoverflow.com

I have been trying to write a constructor function that would make an object chock full of complex methods. These methods process variables of their parents as-well as call on sibling ...

73. Variable.function()?    stackoverflow.com

I use CodeMirror in my project and i don´t know how to do something like this:

  var formname = $.cookie("formnamecookie");
  var formcode = formname.getValue();
Is this possible? I hope you understand ...

74. Variable before CodeMirror function?    stackoverflow.com

I want to get Value from CodeMirror textarea whose name I have in Cookie. How can I do this? I tried:

  var formname = $.cookie("formname");
  var formcode = formname.getValue(); 
Firebug ...

75. reference variable in function definition    stackoverflow.com

element.onmouseover = function onmouseover(event){ this.src=oldLinkImageOver; };
the variable oldLinkImageOver is a variable holding the string "images/image.png", but alert(element.onmouseover); on this will come out as oldLinkImageOver rather than what it references. Is ...

76. variables in nested functions "undefined"    stackoverflow.com

windows.onload=function(){
    ...somecode...
    var scene = new THREE.Scene();
    ...somecode...
    var i;
    var j;
    for ...

77. How can I use a variable from an external .js file in my HTML?    stackoverflow.com

I've got a function that I've written that populates a URL (that contains an image) based on the browser language. This subsequent URL is then written to a variable. All the ...

78. Javascript Function checking vb variable    stackoverflow.com

I'm using the following function but it does work, can someone please point out what is wrong. The vb variable is generated from a database query.

window.onload function PostCodeChecker() {
if (<%= sPostalCode %> ...

79. javascript : function to execute at a later point in time once variables updated    stackoverflow.com

This is an issue with Javascript executing linearly on a single thread. using

  setTimeout(function(){},time);
is evaluated and executing the function() immediately. I am looking for a method to execute function() in x ...

80. Can you not use function variables inside another function's associated code?    stackoverflow.com

In the code exercise at Codecademy[1], it asks you to cube a variable and I can easily do that using:

// Accepts a number x as input and returns its square
function square(x) ...

81. CHtmlView - javascript accessing your c++ variables/functions ?    codeguru.com

I have a project that has a CHtmlView. This html view displays user customizable html files. However from my program I want to supply variables (strings mainly) and/or provide functions that can be called from the javascript of the hosted pages. The idea is that the javascript can then use those variables to dynamically generate the content the users want to ...

82. Using variable to control two functions: having problems!    codingforums.com

Using variable to control two functions: having problems! Code: JS: Image Slider