Can't Get Variable In Code
Feb 15, 2009
When I try to substitute the the number 1 with the variable scr_val it does not work. This works:
Code:
if(document.course.frm_score_front1.value != '' && document.course.frm_score_front1.value > parseInt(num_over))
{document.course.adj_score_front1.value = parseInt(num_over);}else{document.course.adj_score_front1.value = '';}
This does not:
Code:
var ct_val=1;
if(document.course.frm_score_front1.value != '' && document.course.frm_score_front1.value > parseInt(num_over))
{document.course.adj_score_front+ct_val.value = parseInt(num_over);}else{document.course.adj_score_front1.value = '';}
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Dec 13, 2011
I want to load an html div in a variable, modify it in another variable; and then change the document injecting the contents.
1. I load the html to be changed in a variable (code)
2. I modify an attribute of <param> using attr() and I put the result in a var (newcode)
3. I change the html in the doc
I've used the debugger, and all steps give the expected results, except of newcode.html(), which is a null string. Why?
[Code]....
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Nov 24, 2005
I would like to know if it is possible to insert workable javascript
code into a variable. For example, in php if I say
<? echo $blah; ?> and $blah equals " ?> <script>
top.navi.document.title </script> <?"
I would want the page to act out the code when i tell it to echo the
variable.
If this is not possible, is there a way to set information from
javascript into a php variable?
Also, i would like to know how to use if statements in javascript. For
example, if I have a variable x and i want to see if x equals "test"
and if it does then it caries out some code.
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Jan 7, 2012
I use 'div id' as a variable for some code I'm working on. The idea is that depending on what 'div' the user clicks on the variable will change as according to the 'div id', as below:
$(document).ready(function(){
$(".box").click(function(e){
var newvar = ("#" + $(this).attr("id") + "Contact");
position();
if(popupStatus==0){
$("#fadedBG").css({
"opacity": "0.5"
});
$("#fadeBG").fadeIn("slow");
$(newvar).fadeIn("slow");
popupStatus = 1;
}});
Now that part of the code is all fine and dandy, however the continued functions, e.g. 'position()', doesn't seem to pick up the newly defined variable.
The rest of the code is outside the brackets of the 'click'-event above, and would look something like:
function position(){
var popH = $(newvar).height();
var popW = $(newvar).width();
...
How come doesn't the continued functions recognize the defined variable 'newvar'? Is it because the code loads as a whole and can not pick up variables later, as when a 'click' event is triggered? Are there ways around this?
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Jan 22, 2009
On my site page (page1) i have a iframe to a write-protected page on another server (page2). Page two has two variables i need to change on it they are [ chase and count ] the chase variable needs to be false and the count variable need to be 12... I need to implement this javascript variable change as page1 loads with the loading iframe showing page2...
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Jul 8, 2009
how do i shorten the following
var A = document.getElementById('Mydiv');
A.style.color="#999";
when I try this wont work
var A = document.getElementById('Mydiv').style.color;
A="#999";
how to write it and why?
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Apr 19, 2011
I have the following code, where I am inputting a word and on clicking the button , i am setting the value of the text box in div class="twit" which is hidden.now I have to access the value of this hidden text box (name=q) using php.Say I want to print using php .How do I do this ?
<html
<head>
<title></title>
[code]....
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Aug 25, 2010
i wanna make a script that pastes text into the current selected box from a variable and it all has to be client side
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May 28, 2009
i have written a code for getting the environmental variable.I am getting the error as wscript undefined.[code]
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Sep 3, 2010
I am trying to use a variable for a css like: tab_infocenter.css({position:relative;left:tempX;)where tempX is a variable. Its giving me error. So what is the correct way to do it?
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Jan 17, 2009
I am trying to write a snippet to put in my form and cannot get it to run. I keep getting an undefined error for the variable 'Code' no matter what I do.The goal is present obtain a Time Frame based on an SVCode selected from a group of radio buttons.
<html>
<head>
<script language="text/javascript">[code]...........
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Apr 19, 2009
Is there a function in javascript to get the source code of a page and contain it in a variable, or automatically obtain information from it in some way?For example, if I needed to get the title of a certain page, would I be able to somehow implement document.title to get the title of a webpage?
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Jul 22, 2011
We are currently re-working a client's website and as I am not a javascript programmer I am having trouble understanding some of the code, and need help understanding why a certain variable in the code remains undefined.
What is happening is that the user is filling in 24 lines of 4 select boxes, in which there must be 1 and only one "m" and 1 and only 1 "l". The code changes the value of the box back to blank if the user has tried to enter >1 of either. The code then should check the line number and count the number of lines, but on debugging I see that the value of variables el and LineNo are undefined. I can't understand why when the function is called, the value "this" is used. i.e CheckLine(this) - this appears to have no value in the html code as far as I can see!
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May 13, 2010
I have been trying to write a java scrip that will move an image (image1) to the pixel location that the user inputs into a text box.
Here is what i have so far:
HTML Code:
I am not sure if the problem is in the variables or setting the variables based on the numbers in the text box.
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Mar 23, 2010
I have a iframe element which currently has a small amount of javascript that handles the scrolltop and I am trying to add a variable to that which controls the height of the iframe based on the source height. I do not want to set the height of the iframe in CSS because if I use this same method for other iframes and the source height is not the same it will not work.The page with the iframe is here (click on the link on the top of the page to load the iframe):
[URL]
The page I want to load into the iframe is here:
[URL]
The javascript and html for the parent page is:
Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
[code]...
Again, what I need is for the iframe to get the document height from the page that will load into the iframe and then have the iframe height be that exact size. As you can see once you click on the link it is much shorter than the page I am using to load into the iframe.I do not know javascript enough to figure it out and have spent a couple days looking all over the internet and have yet to find something I can incorporate into the javascript I already have.
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Feb 22, 2011
I have a variable that says:
Code:
var Fname = lalala.js;
How do I write a function that moves the variable into a line of code like this?
Code:
<script type="text/javascript" src="lalala.js"></script>
The problem I having is the quotation marks as far as I know.
[URL]
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Jul 18, 2011
I have two .php files one is index.php and another is located includes/school.php
my jquery script is inside index.php and edit buttons are inside school.php page
There is a table in school.php file and each row there is a edit button.
My script is like this
I can store wantid according to the button click but I don't know how to pass this wantid value to includes/school.php file as a variable.
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Oct 5, 2009
Can i check with you all,how do i code to get the parameters from textbox in javascript and pass the parameters to
the servlet after a button is click.
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Feb 23, 2006
I have the following code inside the <head> of my php file. What this code will do is change the style="display:none;" of a div element, depending on which option is selected within a combo box. Code:
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Apr 9, 2011
I want to add this html code as a var or a const, so then later I could do document.write(x);
Like:
But this do not work.
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Jan 22, 2009
how to pass javascript variable values to server side code i used a hidden field and passed he value in it . i do get the value in hidden field but on using request("hdfield") its blank how do i get the value frm javascript
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Aug 22, 2009
I'm using a geolocator service to find the zipcode of a web page visitor using the code below. This will be used to serve up ads to the visitor based on their zip code. The question is, how do I pass the zip code value from the script into an ASP variable, such as a cookie or session object?
<script language="JavaScript" src="http://www.iplocationtools.com/iplocationtools.js?key=my_site_key"></script>
<script language="JavaScript">
<!--[code].....
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Apr 26, 2011
I have been given a piece of code that validates passwords, but need to edit the code with correct variable names and indentations etc.
Here is the original code:
What the variables n1 and n2 are/ what they do?
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May 21, 2011
here is the page I'm working onhere is the jQuery in use
$(document).ready(function() { $('.error,.success').hide(); $("#send").click(function (){ $('.error,.success').hide("slow"); $.ajax({ url: 'add.php?lnk='+$.URLEncode($('[name=lnk]').val())+'&
[code]....
and in this code, it works, the call is made and text is added. in the other code I don't get a change at all. Not even in the database that add.php manipulates.
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Mar 23, 2011
I am trying to make a gui for clients to edit a php page that displays html and javascript.
I want the user to be able to move html elements around and even edit it like add effects like fade in and out etc.
Then after all the changes I want to overwrite the existing php file that does this for that user. how can you make such changes and then save it to a file?
It's an html / javascript editor but using a gui instead of allowing them to directly touch the code. It would be a security risk if I allow such a thing. So I need to program a interface that would make such changes and save them to file.
Like how can you delete and add new javascript code to the file?
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Dec 17, 2007
I am a novice, almost to an intermediate-level JavaScript guy, so much of this is new to me. I appreciate your patience reading this.
I have a routine that creates some HTML on the fly (updateFilters() function) and after the HTML is created, I attempt to access some fields (elements) on the form itself.
I works fine if I place an alert() statement after the HTML is created, but when I remove, the code errors out.
I have tried the setTimeout() statement, but I cannot grab the element --- undefined or null is returned. It seems that the form is the only element I can get a handle on --- everything else is undefined or null...
Here is the code:
function editQuery() {
var f;
var x;
var myForm = document.forms[0];
// Get the row filters that were used in the last query..
for (f = 1; f < 16; f++) {
var filter = eval("myForm.FilterList_" + f);
if (filter.selectedIndex > 0) {
var methodElement = element("FilterMethod_" + f);
var methodIndex = methodElement.selectedIndex;
var savedFilterMethodValue = methodElement.options[methodIndex].text;
var choicesElement = element("FilterChoices_" + f);
var choicesIndex = choicesElement.selectedIndex;
if (isNaN(choicesIndex)) {
var savedFitlerValues = choicesElement.value;
}
else {
var savedFitlerValues = choicesElement.options[choicesIndex].text;
}
updateFilters(filter); // update the filters
// take the saved methods and values and then update the selections
// Alert here makes the code work..
// alert("Try this");
// Wait for HTML..
setTimeout("completeEdit()", 1000);
function completeEdit() {
// Since the object was updated, get the object again..
var methodElement = element("FilterMethod_" + f);
for (x = 0; x < methodElement.options.length; x++) {
if (methodElement.options[x].text == savedFilterMethodValue) {
methodElement.options[x].selected = true;
break;
}
else {
methodElement.options[x].selected = false;
}
}
// Since the object was updated, get the object again..
var choicesElement = element("FilterChoices_" + f);
for (x = 0; x < choicesElement.options.length; x++) {
if (choicesElement.options[x].text == savedFitlerValues) {
choicesElement.options[x].selected = true;
break;
}
else {
choicesElement.options[x].selected = false;
}
}
// Only display next row if f = 2..
// If only one row was used, no reason display the next row..
if (f == 2) {
displayNextFilter(f - 1); // display it
}
}
clearTimeout(timeOut);
}
}
}
Do I have to pass the object (the form, the elements) to the completeEdit() function in the setTimeout() statement?
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