Clearing A Textbox In A Function Call
Jul 23, 2005
I have a couple of different webpages that need to call a function to
clear the textbox onFocus of the textbox. I'm wanting to use one
function that I can call from a javascript include file (rather than
having multiple versions of the function all through the site).
So far i've tried the following:
function clearfield(poForm,poElement)
{
if (document.forms[poForm].poElement.value == "Type Search Here...")
document.forms[poForm].poElement.value = "";
}
where the passing page calls the function as:
clearfield('formname','formelement');
but just get errors.
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Jul 23, 2005
If I fill out the textfields properly with Name, Email etc in a row it
is fine. But if I fill out, for example, my Name, then tab twice, it
clears my entered value. How do I stop this?
All I want the script to do is that when the cell is blank or
whitespace, put the necessary text in the field, else, continue as
normal. Code:
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Nov 17, 2010
I'm trying to have a textbox clear after it has been filled and submitted. this is my form look....
<form action="" name="webForm" id="webForm">
<div id="title0" class="pageTitle">Enter Student Dropping A Course: </div>
<div id="fieldName">Name: <input type="text" id="fName" name="fName" size="40" maxlength="60" /></div>
[Code]....
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Feb 11, 2006
<button onClick="return popup('<span onClick='selectShape(1, 1, 1)'>test<span>');" tabindex=Ɖ' onFocus="setFocusColor(0,3)">....</button>
This will work perfectly, but as soon as I need to pass Strings inside the selectShape function, I get stuck.
So the question is, how can I create the following and have it working
......selectShape(2, 'Tricky', ཤx5°').....
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Mar 22, 2011
Below is the script and form fields I am working with. What I want to do is sum the two textbox fields and have the result show in the total textbox. The code works fine and the total textbox is updated with the value of form1.basic. The problem occurs when I add the "+ parseInt(document.form2.supporter.value)" code in the script section.
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Apr 4, 2010
I'm wanting a table cell click event to remove and replace the table it was clicked on, however I'm finding that as it's deleting the original table object the actual running event code is being replaced and the function is bailing.how I can call the delete/refresh function from outside the event's function scope?
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Feb 12, 2010
how I can accomplish wrappingrelevantparts of a script into a function then call that function within a success area on another page.
This is what I have so far: Script.js page - This page is longer but this is the relevant part that I would like to wrap:
$(".product img").draggable({
containment: 'document',
opacity: 0.6,
revert: 'invalid',
[code]....
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Jun 23, 2010
I have just started learning JQuery and have a doubt in the below code. $.get('myhtmlpage.html', myCallBack);The doubt is should the 1st parameter of the get function be a HTML file or can it be a unction name?
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Feb 15, 2012
I want to call java function in javascript.In which we pass one parameter to function and its returns String value which I want to display in alert message.
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Jun 11, 2011
I have a real perplexing issue. In two separate "projects" I had code that displayed checkboxes - when clicked, they would fetch information from a db and display it in the div below. I had code that displayed a jquery date-picker - when clicked, it would fetch information from a db and display it in the div below. My issue comes with this:
[Code]...
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Oct 1, 2010
How to process textbox values/ call textbox values in JS through a Java program.My text box values are dates. I have to process these dates. Like in online banking we select day to know our transactions. After submitting we get results. remember my files are in my directory only. No need of database. My files are look like 20100929, 20100930, 20101001
For epoch_classes.js, epoch_styles.css u can download coding from this link : http:[url].....
Code:
<html>
<table width="900" border="0" cellpadding="10" cellspacing="10" style="padding:0">
<tr><td id="leftcolumn" width="170" align="left" valign="top">[code]....
In my coding, ys, ms, ds represents year starting, month starting, starting day...ye, me, de represents end...start,end gives file names in the format of yyyymmdd.now i want to process files from 20100101 to 20100930
means from date is 2010/01/01 and to date is 2010/09/30
if i press submit button the files from 20100101 to 20100930 are processes
here ys=2010 ms=01 ds =01 and ye=2010 me=09 de= 30
For this how do i call these textbox values (from date text box and todate) to another program (java)
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Oct 16, 2006
I have a document that can contain any number of iframes which have
further copies of the same document (and so on). In practice, we
shouldn't ever have frames within frames, but I'd like to make the
implementation a general case.
Various of the functions in the parent document need to call themselves
in the child documents with the same parameters as they've just been
passed.
Now, I can stick a loop in each function that goes throught the
window.frames array and calls the function for each frame, but for I'd
like to write a function to do this.
It's at this point that my brain explodes. If I limit it to a single
parameter we can do:
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Apr 22, 2009
I'm in the middle of a JavaScript class, and I've run into a problem with one assignment. ^^; I've been given a pre-written script and HTML code to work with, and am required to modify it. Here's one thing I have to do, via my instructor:
Add an "email" field to this form. This field should also validate as a valid email address. (Hint: after adding the form field to the form itself, your next step will be to expand the function named submitIt() by adding a second if statement to confirm the contents of the email field. You will want to paste into the header and use the validEmail() function which you will find in Script 7.15, highlighted in red on pages 192-3 of your textbook.)
I know how to write the code to validate an email address, but I can't figure out how to call the validEmail() function in the submitIt() function. The code I have now just blanks out all the fields when I hit "submit." Here's the part of the script with the email validation:
window.onload = loadDoc;
function loadDoc() {
resetForm(document.forms[0]);
[code].....
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Mar 20, 2010
<html>
<head>
<title>TESTING</title>
<script type="text/javascript">
[code]....
This is a very basic version of what I am trying to do. I have a dynamic list which is set in a table. When clicked, a function is run to set up a new list.. The reason I explain that, is that I need to keep it dynamic.Now for the problem:When I run this page, I have the button made right away, then when clicked it creates the new button. The new button should also run the function to create the new button again, but when I click it, I only receive "error on page".
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Feb 14, 2011
I'm trying to "progressively enhance" one of my surveys using javascript. Basically, I have rating scales that make use of radio buttons as each point on the scale. Each radio button occupies its own cell in a table. I wrote some functions that will highlight cells on mouseover in a color corresponding to its position on the scale (e.g. the lowest point is red, the midpoint is yellow, the highest point is green). When a radio button is clicked, the background of the button's cell and preceding cells in the same row will be colored accordingly. The functions are working well in FireFox and Chrome (I just have to add a few lines using the addEvent function to make it compatible with IE).
The effect looks a lot nicer when I add a function that makes the visibility of the radio buttons hidden.
However, I want to make sure that there is a fallback option in case the functions that color the cells don't work for whatever reason. I would not want the radio buttons hidden in this case.
Is there a method whereby I can call the "hideRadiobuttons" function only if the other functions are successfully executed?
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May 13, 2011
I am creating a little word guess game, with a random function which picks the word from an array of 10 words. The second function checks if the users' letter choice is part of the secret word. Currently, each time the checkGuess() function is called, the word is changed, probably because I am calling the wordPicker() function from within. The wordPicker randomly chooses the word, then returns that word. All I want to do is pull that word into the checkGuess function, without calling the wordPicker function as it currently does. Here is the code:
Create secret word array
var wordList = new Array("stealth", "telephone", "internet", "nickel", "marine", "instantiate", "method", "function", "television", "monitor")
[Code]....
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Mar 11, 2011
I'm working through the sitepoint ajax book and had a problem with a particular chunk of code. I eventually tracked down the error and it was being caused because I had:
window.onload = Monitor.init();
instead of:
window.onload = Monitor.init;
Now, one of the sticky threads mentioned that the first is a function call and the second is a function pointer. My questions are:What's the difference between a function call and a function pointer? Why did it cause problems in this particular case? What are the general implications/issues with using one over the other?
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Dec 27, 2010
I have a php script which dynamically creates a table containing text boxes with variable names.
Example:
In the above instance the text box name might be 'payable_23323'.
I need to code an onKeyUp event which sends the text box name to a function, and in that function I need to retrieve the text box name and the string after 'payable_' together with the value the user has input into the text box.
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Sep 22, 2003
I have a select box which updates a hidden field on an 'onchange' event. This works fine. This hidden field basically stores the selected name of an image.
I also have a textarea with a javascript button alongside which calls a function, this function then writes a small piece of html code to the textarea, for an image. I would like to have this source code in the function include the value of the hidden field!
Here's the code:
function imageleft()
{
document.getElementById('Text').value=document.getElementById('Text').value+"< img src='' align='left'";
}
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Aug 25, 2006
Is this correct? The following three lines are equivalent, for
example, [1] can be replaced with [2] or [3] anywhere in a script
without changing the return value and without changing any side effect.
[1] var r = o.f(a,b);
[2] var r = o.f.call(o,a,b);
[3] var r = o.f.apply(o,[a,b]);
( o is an object and o.f is a function. )
The following three lines are equivalent:
[1'] var r = g(a,b);
[2'] var r = g.call(this,a,b);
[3'] var r = g.apply(this,[a,b]);
( g is a function, for example,
var g = function(a,b){return [this,a,b];}. )
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Oct 11, 2006
How do you call a function within an implementation that's in this form:
(function () {
var G_vmlCanvasManager_ = {
init: function() {
...
},
initElement: function (el) {
...
}
...
})();
I'm trying to call the initElement function that's within excanvas.js
which its comment says is public.
If I try calling initElement(c) or G_vmlCanvasManager_.initElement(c) IE
gives errors.
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Jun 7, 2010
I need to send the tab to a particular text box when it tabs out of another textbox. I need to handle a function in which I could set the focus into the desired textbox. But I am not able to get to my function when the tab out happens. How can this be done?
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Aug 5, 2009
Javascript Function To Add Two Textbox Controls And Display In Lable W
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May 11, 2010
I'm trying to write very basic page that just takes input from a text box, processes it with a function called DoSearch() when you click the submit button, then redirects to the Google equivalent to display Google's search results. If I put a redirect in the body section it works fine. I've also added an alert in the function and that works fine, but the redirect doesn't. I'll post the source below because it's only short:
HTML Code:
<html>
<head>
<title>Homepage!</title>
<script type="text/JavaScript" language="javascript">
function DoSearch(){
var query = document.SearchForm.query.value;
var url = "[URL]"+query+"&aq=f&aqi=g10&aql=&oq=&gs_rfai=";
alert(url);
location.replace("[URL]");
}
</script>
</head>
<body>
<center>
<form name="SearchForm">
<input type="submit" value="Search!" name="Search" onclick="DoSearch()" />
<input type="textarea" name="query" size="38" />
</form>
</center>
</body>
</html>
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Jul 23, 2005
Say I have <a onclick=' return Outline(this)' onmouseover=' return Outline(this)'>. How could I determine in Outline() that it was launched from a mouseover, as opposed to onclick?
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Feb 25, 2009
How to call a function in javascript.I mean i had a internal function (in a perticular form window) name as 'fnTest()'.I want to call this function in javascript ( in a perticular button click in the same form window).
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