Creatring A Function To Test Validity
Dec 9, 2006
I am creating a simon says game, the game is based on 4 images (each has an opposite) when the game begins one of the image randomly flashes, the flash is between itself and its opposite (day and night). the user is then to mimic that flash by clicking on that image. If he clicks in that image then i want the move to be correct or 'true' if he clicks on another image i want the move to be incorrect 'false'. if false he will be redirected to an alert box thats says game over, if true then 2 of the images then flash as opposed to only one, again randomly. I am unsure how to test if it is correct or incorrect and then if correct get 2 of the images to flash randomly and so on. Can anyone help? please? here is what i have so far:
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Jan 6, 2011
I have the following regular expression to test the validity of an input date:
([0-9][0-9]|[0-9])[s/-]([0-9][0-9]|[0-9])[s/-]([0-9][0-9][0-9][0-9]|[0-9][0-9])
It should allow 1 or two digits for the day of the month, then a separating character (" ", "/" or "-"), then 1 or two digits for the month, then 2 or 4 digits for the year.
Unfortunately it will accept anything above 2 digits for the year, which I understand why is happening but don't know how to fix!
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Mar 14, 2009
I'm using the standard module pattern and the problem is once you set a private variable, trying to test that object independently becomes a nightmare as the next test is polluted by the actions of the previous.So, the options are to have some reset method (which is horrible), setters on everything (defeats the point) or delete object and re-load script (hideous).
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May 29, 2011
1. I have a javascript with which I am checking the validity of the email provided:
function checkEmail($email)
{
if(eregi("^[a-zA-Z0-9_]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+$]", $email)) [code]...
2. Later I have another javascript which check the input field and changes the color if condition not met.
function validateForm (){
var value1 = document.getElementById('field1');
if(value1.value == "Fill in the Name") {value1.style.color = '#ff0000';} red letters IF NOT CHANGED
3. I want to include the above mentioned email function into this function as well.For example to do something like the following
if(value1.value == "" || checkEmail($email) != TRUE) {value1.style.color = '#ff0000';} red letters
Can I use information from another validation script (first script) or I need to include it inside the ValidateForm script (second script) as well?
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Oct 29, 2006
I coudn't understand some behavior of RegExp.test function.
Example html code:
----------------
<html><head></head><body><script type="text/javascript">
var r = /^https?:///g;
document.write( [
r.test('http://a'),
r.test('http://b'),
r.test('http://c'),
r.test('http://d')
]);
</script></body></html>
---------------------
The page displays true, false, true, false. (in Opera, Firefox and IE)
This is strange because I expected it would display true, true, true,
true. There must be something I didn't know about the function
RegExp.test.
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May 30, 2010
I want to pass two parameters on button "b" click. how to pass parameters on b.onclick = test function?
function test(x, y){
alert(y);
}
var b = document.getElementById('b');
b.onclick = test; //how to pass x and y parameter?
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Mar 22, 2010
HAVE CLIENT-SIDE FORM COOKIE GET AND SET FUNCTIONS IN THE SECOND WINDOW DOCUMENT EXTERNAL JS.FILE OF A DUMY TEST SITE FOLDER ON MYCOMPUTER. IE8 THROWS 'SYNTAX ERROR' ON THE 'WINDOW.LOAD=FUNCTION, FIRST COOKIE FUNCTION HIGHLIGHTED'. CAN I ACTUALLY TEST COOKIES ON A TEST SITE ON MY COMPUTER WITHOUT THE SERVER (MYCOMPUTER) OR A DOMAIN NAME? YEAH NO HECKLING FROM THE PEANUT GALLERY.[code]...
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Sep 14, 2011
I have a pair of dates in a form that are made up of 3 text fields per date. The day and month fields are 2 digit, the year is 4 digit.
startday
startmonth
startyear
endday
endmonth
endyear
I can't easily change this for a number of reasons. I know the values themselves will be valid (they're generated by a calendar selection script) but I want to check the date created by the end variables is not before the start date. Any script to build a date from the 3 fields for each, and return false if the end date is earlier than the start date?
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Jul 28, 2011
I'm trying to call a Js function from a test.js located in a HTML file.
I'm getting error message "Object has no method..." in Chrome. But no issues are seen in Firefox.
<html>
<head>
<div>
[Code]...
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Jan 8, 2010
I want to write a plugin, say 'myPlugin' which I can use like
Code:
$('#myID').myPlugin() ;
$('#myID').myPlugin.test() ;
The plugin I wrote looks like
Code:
(function($){
$.fn.myPlugin = function() {
// do something
} $.fn.myPlugin.test = function() {
var $this = $(this) ;
// do something ;
}})(jQuery) ;
This works and it doesn't work. It works because test() is called, but this is not the element with id '#myID' it is $.fn.myPlugin. To fix this I tried the following
Code:
(function($){
$.fn.myPlugin = function() {
// do something
} $.fn.myPlugin.prototype.test = function() {
var $this = $(this) ;
// do something ;
}})(jQuery) ;
but now the function 'test' is unknown.
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Feb 18, 2005
Is there a way by which I can validate in javascript whether the file I'm trying to upload is an existant one(i.e., one which is present in my local folder).
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Jan 23, 2011
why the string comparison test doesn't work in this javascript function? It works if you use just text between the currentItem div tags, but not when you use html for an image. I even tried to use iso characters instead of angle brackets, as in "<img src=expand.png></img>" and still no dice. Why not?
<html>
<head></head>
<body>
<script language="JavaScript">
function toggleValue()
{
if(document.getElementById("currentItem").innerHTML != "<img src=expand.png></img>")
{
[Code].....
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Aug 29, 2011
here when i click the test button it will create a new test button inside div tag.But after that if i clicked new generated test button document.getElementById("test" ).onclick = function() is not working.how can i add functions to new dynamically created fields?
<div id="a" >
</div>
<input type="button" value="Test" id="test" class="form-submit"/>
when i click the test button it will create a new test button inside div tag
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Nov 1, 2011
<html>
<head>
<script type="text/javascript">
var a = january
var b = febuary
var c = march
function test()
[Code]...
I tried to explain it pretty well in the comment tags
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Oct 4, 2010
The .find() method does not seem to match on input fields by using a class. The ti This problem seems to be only visible on input fields. The following is a demonstration of the issue:
Example at [url]
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Jun 20, 2006
I have the following code that test the target element of a mouse
movement to check if its and Image and the Parent is a Div element. It
works perfect in Fire Fox, however IE does not allow access to test the
target against instance of HTMLImageElement or the Div Element.
Is there a property that I can use to get the object type that will
return "image" or "div" or anthing else that I can use. The typeof
function only returns "object" which is totally useless in my
application.
DragObject.prototype.mouseMove = function(ev){
ev = ev || window.event;
var target = ev.target || ev.srcElement;
var dragObj = target.getAttribute('DragObj');
if ( target instanceof HTMLImageElement && target.parentNode
instanceof HTMLDivElement){
target = target.parentNode;
dragObj = target.getAttribute('DragObj');
}
}
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Sep 14, 2010
I have Javascript on my site and will not work at all if JS is disabled.How do I notify my users that the pull down menus use javascript and will not work unless they turn it on?
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Nov 17, 2003
I have a form on a page that the user fills out. When he's done and it's validated, I need the contents along with some other stuff to be printed before it's sent to the server. To accomplish this I'm using window.open on the Print button, then I intend to reference the fields from the page which opened it using the window.opener.formname.fieldname.value .
Problem is I have couple sets of radio buttons on the form that was filled out and I would like to print all the radio buttons showing the selected one so that the user acknowledges on the hard copy what his choices were.
If I was doing it server-side(ASP), I'd test the value of the incoming form value by executing a function, and I'd like to do it that way too, but I can't seem to figure out how to do that without putting <SCR IPT>function...</SCR IPT> tags with every radio button <INP UT> tag.
This also applies to where I'd like to write the values as HTML.
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Jul 23, 2005
I want the javascript to test an alphanumeric (a string contains alphabet or numbers only) string. Should I write a regular expression?
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Sep 1, 2005
Is there a way to test for security settings in a users browser AND
their firewall. Lets say someone is using zonealarm. Is there a way
to test for their setting in zonealarm, so I can then redirect them to
a specific page.
The reason I am asking is that I have a flash front page. A user
cannot see the page because he has his security settings set so that he
does not see activex controls. I want to be able to test for those
settings then redirect him to a static page.
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Sep 10, 2006
I want to supply a button on my public web page if I have opened up my
private web page, but disable it or remove it if the private page is shut
down. Is this possible?
In other words, I often have a port open for a chat page and I use
no-ip.com to do a port redirect. When the port is open, I want my public
page to test the port when a user loads the page, and if the port is
available, supply a button to click over to it.
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Mar 26, 2002
How do you test a variable is an Array or not in Javascript?
Indeed, I need to get the html checkbox info in an html form like this:
<html>
<script>
function test()
[code]...
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Jan 26, 2009
What is the difference between the
var test = "abc";
var test = ("abc");
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Oct 17, 2009
find a similar template on the web. I couldn't.A list of checkbox options:
1. Water
2. Sand
3. Red paint
Submit button which brings results IF Water and Sand selected, result = Mud IF Water and Red paint selected, result = Red water The closest thing I got to was[URL] How would code for such a program look like?
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Nov 10, 2009
When looping thru a group of elements and using getNamedItem('itemname').value there are some elements that are going to have a null value for that particular getNamedItem... the problem is that you cannot test this value to see if it's null because it generates an error instead, and the code does not continue: _allnames[_j].attributes.getNamedItem("onchange") is null
You cannot even test it for null like this: if (_allnames[_j].attributes.getNamedItem("onchange").value != null) { do something } This will also generate an Error instead of testing to see if it is null.
How do you test getNamedItem for null to avoid this error?
EDIT: It appears that the problem is limited to Firefox. It works fine in IE7, but the error occurs in both FF v3.5.4 and in v3.5.5!
In my example below, there are no elements that match, so you should see an alert box that says 'No match', but (using Firebug) you will see that an error is generated when it tries to find the value of onchange in the last input tag.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=windows-1250">
[Code]....
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Jun 24, 2011
I am doing an image/data rotating script. I get the data from a XML. I parse that data and build the divs and such.Data Set 1 --- background image in a div, with a button and some text overlayed on the div.
...
...
Data Set 4 -- etc..The thing is, I load the script and the div appears, BUT the text overlay appears first THEN the image pops up for the first Data Set. I can't have that. I need them both to appear at once.Is there a way to determine that a div background image is loaded?-- I have access to the prototype js library.
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