Placing A JS Function Variable Inside A Form?
Dec 29, 2010
This is a follow-up to a post from long ago. I had thought that this would be very simple but damned if I can get it to work.
Basically, I want a value which is generated in a JS function to be included in a <form method="get"> output. For some reason which is beyond me, the value is not being updated and the form is returning only 'undefined'. Here is the code:
JS:
<script type="text/javascript">
function addRow(tableID) {
// CELL 1
var table = document.getElementById(tableID);
[Code]....
For the record, the page is up here: [URL]
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Aug 17, 2010
I am trying to declare a variable inside a function and use it later on in my code... but it just already returns white space... i.e. not variable value. I am setting it within this function:
function show_video1(){
document.getElementById('video1').style.display="block";
var video1Name = "Education World News (Part 1)";
document.getElementById('video2').style.display="none";
document.getElementById('video3').style.display="none";
document.getElementById('video4').style.display="none";
[Code]...
and trying to call it later on with this: <script type="text/javascript">document.write(video1Name)</script> It might be worth noting that each one of my 11 videos will hace a different name.
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Feb 15, 2011
In my code a JavaScript function received value from html hyperlink. Value passing successfully, inside product function document.write(a) printing value 5. But how can i print value of "a" inside product function by php. My code is here....
<html>
<body>
<a href='javascript: product(5);'>click</a>
<script type='text/javascript'>
[code].....
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Feb 10, 2010
Here is the code:
for (var i = 0; i < BS_crm['activityTypes'].length; i++) {
var clickFunc = function(){ activityList.showForm( -1, {blockType:[""+BS_crm['activityTypes'][i]['id'], "0"]} ); };
var type = {
[Code]....
Now, basically what I am doing here is running through one array to create an array of objects, that will be used to create links that will use whatever onClick function I pass it. The problem is that on the second line I need the BS_crm['activityTypes'][i]['id'] to be a value, not a reference. If that line was simply changed to:
var clickFunc = function(){ activityList.showForm( -1, {blockType:["3", "0"]} ); };
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Oct 30, 2006
I think I've had JavaScript variable scope figured out, can you please
see if I've got it correctly?
* Variables can be local or global
* When a variable is declared outside any function, it is global
regardless of whether it's declared with or without "var"
* When it is declared inside a function, if declared with "var", it's
local, if not, it's global
* A local variable that is declared inside a function is local to the
whole function, regardless of where it is declared, e.g.:
function blah() {
for(var i ... ) {
var j ...
}}
i and j will both be visible within blah() after their declaration.
* the notion of "function" in this context also applies for this kind
of construct:
var myHandler =
{
onClickDo: function()
{
in the sense that whatever one declares inside onClickDo with "var"
will only be visible inside onClickDo. What else, am I missing anything?
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Jan 9, 2008
I'm making a project which creates tabs with a class. I don't really know how to explain it better but this is how it works:
<a href="#" id="tbs_tabs">Create</a>
<script type="text/javascript">
var tbs = new Tabs('tbs_tabs');
tbs.theme = 'classic'
tbs.create_option('abc','#');
tbs.create_option('abz','#');
tbs.create_option('abf','#');
tbs.create();
</script>
It first creates the new class and tells it the id, then it creates as many options as you want and creates it.
My problem is with this line:
for(i=0;i<this.option_values.length;i++)
{
li = document.createElement("LI");
li.appendChild(document.createTextNode(this.option_values[i]));
addEvent(li,"click",function(){oThis.select_option(i); return false;};
ul.appendChild(li);
}
What I was trying to do here is add an event to the LI element that refers to the current tab class but doesn't use the CURRENT i value but the value that was when the event was first created.
For example.. If my i value is currently 2 and I add the function, then I want that when I call the function, the value will still be 2 and not the current i value. What happens now is when I call the function the value is something like 5 or 6.
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Jan 20, 2010
I have a set or icons that which over time I replace with a different icon and and add a onclick event to them. This is my code
function updateStatusIcons(retText) {
updatingStatuses = true;
var updates = retText.split("|");
for (z=0; z<updates.length; z++) {
[Code]....
Everything works fine except for the onclick event. In the hover message of the icon, the correct project ID is displayed in the message, hoever in the function, the onclick funtion always loads the page with the last set project id. How can I pass the project id into the onclick function and make it stay fixed and not be the value of that it was last set to?
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Nov 26, 2010
im trying to change a variable set outside of a function and calling the function with an onchange... i'm having problems getting the variable to change
<script type="text/javascript">
var price = '<?php echo $price; ?>';
function addtwo()
{
if(document.add.size.value == "2xl")
{
price = price + 2;
}
}
</script>
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Mar 6, 2010
Is it possible to make a variable inside a function global (or at least usable in other functions)?
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Sep 8, 2009
Ok...so here is what I have:
function myClass() {
this.checkLogin = function(name,pwd) {
if(name.length > 0 && pwd.length > 0) {[code]....
Everything works above. The first alert shows that this.status was set to 'error'. However, if I call myClass.getStatus(), I get undefined. How can I get the parseData function to set the variables in the parent function?
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Dec 22, 2010
I have a list of most 17 recent entries from a db table and wanna use jquery/ajax to have a next button that loads the next 17 entries when you click it. It passes the 17 variable to the .load which works fine first time around (this is later used as mysql limit), but then I try to increase the start variable with 17 so that next time I click it would pass 34 to the .load (so it loads next 17 again) but this doesn't work, it simply loads same 17 again on 2nd, 3rd ect. click (so nothing changes). use global variables by setting it with var and using it without var inside the function.
<script>
var start = 17;
var loadUrl = '<?php echo site_url('welcome/battles'); ?>';
$("#latestbattlesnext").click(function () {
[code].....
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Aug 17, 2010
In one of my functions I got the following lambda function. It works as intended, but I got a tiny problem. I'm trying to access the function-scooped variable "matched" and set it's value to "true". The problem is that it seems like the variable is existing as a local variable inside the lambda function, even if it's not declared inside the lambda function itself. So, the change "matched = true;" does not effect the variable that I declared.
Code:
//... code
var matched = new Boolean(false);
xmlhttp.onreadystatechange=function() {
if(xmlhttp.readyState == 4 && xmlhttp.status == 200) {
[Code].....
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Oct 22, 2009
I'm having some problem with return value for a function. I'm trying to access google blogger's API to display blog entries on my site. I'm doing this through JQuery and requesting a JSON response. Everything seems to work ok, but I want to access the link for the blog entry. This is a subset of the "entry" object.
It's structured like this:
Entry:
title,
content,
link:
rel,
type,
href,
rel,
type,
href,
I want to get the link where the "link.rel == "self". To do this I have to loop through the link object (5 times). The loop and conditional statement works correctly, but I can't get the variable inside this loop back to my original function.
I have this code:
$.each(data.feed.entry, function(i, entry){
$.each(entry.link, function(j, link){
if(link.rel == "self"){
var postlink = link.href;
alert("link : " + postlink);
return postlink;
}});
alert(postlink);
});
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May 4, 2010
<script type="text/javascript" src="jquery-1.4.2.min.js"></script>
<script type="text/javascript">
var global_var = false;
function test_func() {
$.post("server.php", function(data){
alert("Data Loaded: " + data);
[Code]...
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Nov 8, 2010
I have the following javascript code:
Code:
and
HTML Code:
So the above code is working but the below code:
HTML Code:
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Aug 4, 2011
I'm looking to send a loop variable (i) to a function inside the loop, but I can't seem to get it to use the value I want, it keeps making it a reference of i and therefore the function is always called using the last value of i rather than the one it was set with.
So if i have 5 Tabs then Tab 1, when clicked, should call DefaultTabClick(0) and so on rather than always using 4 for any of the tabs.
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Dec 8, 2011
How do I get the results from the For Loop into the red div from this point?Also, does it appear that I'm thinking about this problem correctly?
HTML Code:
<html>
<head>
[code]....
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Apr 11, 2007
consider the next code:
var obj = {};
with(obj) {
var x = 10;
}
print(x);
print(obj.x);
It prints 10 and undefined. Here, one could expect that obj.x get the
value 10. But it's not the case, because variable declarations are
placed at the start of function code (or global code), so the
previous code is equivalent with:
var obj;
var x;
obj = {};
with(obj) {
x = 10;
}
print(x);
print(obj.x);
You can clearly see now that x is placed in the outer context. But
consider the next:
var obj = {};
with(obj) {
eval("var x = 10;");
}
print(x);
print(obj.x);
I was expecting that obj.x would get the value 10 here. But no, it
gives the same output as the previous code. I tested it with
spidermonkey, kjs and ie jscript. Looking at the ECMA spec, I could
not find anything that describes that behaviour. Code:
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Aug 8, 2010
I'm working with the following code:
parent window:
Code:
<html>
<head>[code]....
Currently, the Code will open the child window, show a search box, search for the database and display links, when you click on the link, the parent window will show the variable passed. My question is, how would i change this so that each of the variables displayed would have a php variable that i could submit with a form?
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Jul 29, 2010
Tried searching but didn't seem to find a solid solution to my problem I'm trying to pass a value to an input form field, from a function. Here is my code
PHP Code:
<script>
function createDiv(sceneNum, startTime, endTime, dialog, notes)
[code]....
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Jul 2, 2010
I am creating a simple "fill form" function for a specific page. The function will fill the form and click submit. after this a second form appears which needs to get filled and also send a click to submit button.
Unfortunately when i append the script dynamically to a page, when the page gets refreshed,after the first submit click, the script stops executing and therefore the second form does not get filled at all.
I searched and found out that if I append the script to an independent frame it will continue executing.
Note that the original pages do not have any frames. so I must somehow create a frame on top, append the script and run it.
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Aug 26, 2010
I have a javascript here for adding my div element to my registration form,Adding the div element is easy, but it shows on the bottom of my form. I cant make it as the first child element of my form...This is my code
var _form = document.getElementById('registration_form');
var errorDiv = document.createElement('div');
errorDiv.setAttribute('class', 'confBox');
[code]....
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Jan 18, 2010
I'm using the following to sequentially change the background color of some list items. It works, but is there a direct way of putting a variable inside the n-th child parentheses, instead of concatenating? Second question, more CSSey, though. The highlight goes all the way across the page since the CSS bounding box is 100% for the li items. The lines are various lengths so I can't just set the bounding box to, say, fifty percent. Is there a way to use jQuery to make the bounding box, or background color only go to the end of the text?
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Jun 6, 2009
I have a problem that 'test' is not passed. The following function alert undefined, but it should alert test. Why that?
PHP Code:
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Mar 31, 2010
im not sure now to word it, or how to do it, im a php coder not a javascript -.-but here it is, basicly i have one ajax file and wish to use it for everypage,i tryed to do it so i can just call one function for all ajax uses, but forms seem to be thowing me off when i call it, i stat if its a form or a element,
function ajax(str, b, c) {
a = b;
type = c;
if (type === 'form') {
[code].....
in this, the variable a is set as the id of the elemnt/form, it works fine for elemnts, but not for forms,i think this is because its thinking a is the id, not the variable,
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Aug 12, 2009
In my application i am using Ajax post like:
The Form id as returned from the Controller side is saved in the variable getformid correctly, But it is not reflected in the savefield ajax post..And it is saving as 0 only even it alerts as the returned Form id..
In addition i am giving here the Code inmy Controller for saveForm:
And my Model saveForms is like:
And my save_form.ctp in my views folder is like:
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