getelementbyid

document.getElementById(somevar) not working.

hi, i have the code below but getElementById(setID) not working for me, i know it catches the id because alert(setID) working. any idea? function getdata(file, aID){ req = xmlHttpRequestHandler.createXmlHttpRequest(); req.onreadystatechange = Response; req.open("GET", file, true); req.send(null); setID = aID; } function Response() { ...

getElementById in Firefox iframe returns null but works in Safari/Chrome

I've two html files. One includes the other in an iframe. The iframe executes a getElementById on a previously created element. This works fine in Chrome/Safari but doesn't in Firefox/IE8, and I don't understand why. Firefox returns: null Safari returns: [object HTMLDivElement] index.html <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01/...

document.all vs. document.getElementById

When should you use document.all vs. document.getElementById What is your answer? ...

Calculate the sum of DIV content

Hi all, I have a form with several SELECT boxes and based on the user's selection a value appears. This is fully working. Now I want a script that calculates the SUM of these values either automatically or when pressing a button. The full code I have so far is this: The JavaScript: <script type="text/javascript"> window.onload=funct...

Modal popup extender rendering

Hi, I have a modal popup extender in my page. But after rendering if I look at "view source"(right click on browser and see), I' m not able to see the html part equivalent to the modal popup extender. Since that I'm not able to access the elements in popup using getElementById()...in client side. Please help :( ...

Javascript getElementById overwriting issue

Hello, I have a simple question concerning Javascript. I am trying to print in a loop some values to div container. The problem is that instead printing the value several times in a loop, each time it is overwritten and as a result I get only one value. See the code below: for (i=0; i<json.Locations.length; i++) { var location = json.Lo...

C# webBrowser control cannot find htmlElement after Ajax webpage update or in frame

Using webBrowser control in a winForm. but when the webpage is updated by Ajax or in a frame, I cannot use webBrowser1.document.getElementById et. to find that htmlElement. the element also won't show in the View->Source code in IE. any one can help? the untimate purpose is to find that htmlElement and simulate a click or other function...

document.getElementById not working for <a> tag

hi, I'm very new to js so kindly help me with this. I am trying to add a class to a tag using onClick. The code is as shown below: <a class="gkvSprite" href="#" id="abc" onClick="showhide('1')">Click 1</a> <a class="gkvSprite" href="#" id="def" onClick="showhide('2')">Click 2</a> <a class="gkvSprite" href="#" id="hij" onClick="showh...

window.onload seems to trigger before the DOM is loaded (JavaScript)

I am having trouble with the window.onload and document.onload events. Everything I read tells me these will not trigger until the DOM is fully loaded with all its resources, it seems like this isn't happening for me: I tried the following simple page in Chrome 4.1.249.1036 (41514) and IE 8.0.7600.16385 with the same result: both displa...

Javascript insert parameter inside string

Hi, I want to ask if there is a way to insert variable inside another string which is part of another statement. For example: function SomeFunction(field) { var someVariable = document.getElementById('<%=' + field + '.ClientID %>'); } But I've got an error: Error 6 'string' does not contain a definition for 'ClientID' Th...

Severe issues with document.GetElementById

I've been using document.GetElementById succesfully but from some time on I can't make it work again. Old pages in which I used it still work but things as simple as this: <html> <head> <title>no title</title> <script type="text/javascript"> document.getElementById("ThisWillBeNull").innerHTML = "Why is this null?"; </script> </head...

Javascript getElementById lookups - hash map or recursive tree traversal?

Does the DOM have a hash-table of elements whose keys are the elements' ids? I want to know if document.getElementById looks up a hash table or traverses the entire tree. Is this behavior different across browsers? ...

ASP.NET: Why is my JavaScript object set to null?

I have a <script> that contains this line: var tbl = document.getElementById("<%= this.tblSelection.ClientID %>"); ... but tbl always ends up being set to null. The table is declared like this: <asp:Table ID="tblSelection" runat="server" CellPadding="2" CellSpacing="0" cols="1" style="position: absolute; top: 0%; right: 0%"> ...

JQuery printfunction: no content, no view

I got a JQuery printfunction: function doPrintPage() { myWindow = window.open('', '', 'titlebar=yes,menubar=yes,status=yes,scrollbars=yes,width=800,height=600'); myWindow.document.open(); myWindow.document.write(document.getElementById("studentnummer").value); myWindow.document.write(document.getElementById("Voornaam").v...

mootools get data of child element of li?

Hi there, I am trying to get some information of a child element of an li using mootools, essentially my html looks like this, <li><a href="/home" id="home" class="nav-link">Home</a></li> I am wanting to be able get the id, class and href of the a tag using mootools, so far my javascript looks similar to this, $$('.rate').each(f...

How do I display a sting, based on which id is set as selected?

I'd like to display a text string (to be positioned above ul) depending on which link is set to selected by the chgClass fuction. The ids for each display via an alert right now, but I can't seem to make them appear in "english". I know I can set up an array stating "id=text string" but when I do it seems to break the code I already have...

document.getElemenyById is returning null

Here's the HTML of my page. Skip the CSS its irrelevant I believe. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"&gt; <html> <head> <script type="text/javascript" src="vertical.js"></script> <style type="text/css"> #navlist li { display: inline; /* for IE5 and IE6 */ } #navlist { width: 7em; ...

JavaScript getElementById(...) is null or not an object IE

Hi all, This must be something very simple for the JavaScript experts out there. In the following code, I am trying to open an iframe to the full height of browser window. <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ...

jQuery pass dynamic element id/value into PHP.

Hi, I want to pass the dynamicLi element id and text into the PHP which look like this. <ul id ='dynamicUL'> <li id='dynamicLi'><div id="fieldname">Field 1</div></li> <li id='dynamicLi'><div id="fieldname">Field 2</div></li> <li id='dynamicLi'><div id="fieldname">Field 3</div></li> </ul> The dynamicLi and the fieldname is ...

Javascript document.getElementById doesn't seem to work

I have the following code, and the javascript console in chrome says "Can't read innerHTML property of null. Why does document.getElementById('display') turn up empty handed? <!DOCTYPE html> <html> <head> <title>Chat 3</title> <script type="text/javascript"> function showmsg(str){ var disp...