Preventing A Colour From Getting Too Light To Or Dark?
May 11, 2010
I have a colour picker on my site, see it at [URL]Now I want to change the colour of the links on the page, don't worry I know how to do all this.
It's just if someone chooses full black (#000000) the theme looks awesome, but the links on the dark background are invisible.
Similarly if someone chooses full white (#ffffff) then you can't see the text on the white background.
So I want to know if you geniuses can make it so when a variable containing a hex, like #000000 is set as the main colour, then the link colour is changed to #666666 so you can still see it, but I want it to work with colours, so if you had #360000 (dark red) then the link colour would be something like #a10000.
I hope I have explained it well enough for you to understand, here is my code to change the background:
onChange: function (hsb, hex, rgb) {
$('.colour-picker-colour').css('backgroundColor', '#' + hex);
$('.background').css('backgroundColor', '#' + hex);
[Code]....
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Sep 2, 2011
I have been trying to get better at my javascript as of late and there is this one particular color fading technique I have found that I am having trouble dissecting. The following code appears to be how they are making a rollover go from a dark gray to a subtle light gray with a nice fade but I can't exactly tell whats going on from the code. Is it just telling it to add a rgb point in so many seconds?
colorInit=
true}b.elem.style[a]="rgb("+Math.max(Math.min(parseInt(b.pos*(b.end[0]-b.start[0])+b.start[0],0),255),0)+","+Math.max(Math.min(parseInt(b.pos*(b.end[1]-b.start[1])+b.start[1],10),255),0)+","+Math.max(Math.min(parseInt(b.pos*(b.end[2]-b.start[2])+b.start[2],0),255),0)+")"}});
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Sep 22, 2009
I am using javascript code to change the background colour and font colour of some elements called 'filled') dynamically. For example:
if(timeInputValue >= startcode && timeInputValue < endcode && stateInput.value == "playing") {
filled.style.backgroundColor = '#ffffff';
filled.style.color = '#000000';
}
I also want to put a border around these 'filled' elements too - how can I do this is javascript? I can't find an equivelent to style.border = "1px"
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Sep 7, 2010
How do I do this? I've set up javascript to change the background colour depending on what colour square the user clicks on, this is working fine.However, I want to be able to set an initial colour, other than white, and then let the user chose their own.
here is my code so far.
<script language="JavaScript">
<!--
function changeBGC(color){
[code]....
I want the page to be initially set to the brown colour, then I want the user to be able to choose their own colour.
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Jul 8, 2010
I have the exactproblem explained here: [url] but I cannot seem to find a solution.
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Sep 6, 2011
On various video sites you can click cinema mode and the page goes dark, whilst you watch the video.
On my page I have a box which appears, where the user enters their name and email address. But I would like the box to remain active and in view. While the rest of the page goes darker and unusable, Like on the video player websites
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Apr 11, 2010
I'm trying unsuccessfully to get some text links to change & restore their colour.
[URL]
Referencing this link - there are 3 text links at the top of the page, which scroll to different anchor points on the same page.I need the following to happen: On hover, change colour (easy using css) On click link A, change colour When clicking link B, link A restores to original colour.
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Mar 31, 2010
I have recently started seeing a script that puts like a dark grey transparent mask over the intire browser window, while putting up in the center a highlighted visable login form or some type of box requiring user input. Can anyone tell me if that is javascript and possibly point me in the direction where I can find out more about that effect.
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Jun 3, 2009
I have installed a light box plugin on my website. but when i click on the image I want to load into the light box.. it just loads into a new window...
the page can be viewed at : Example page
I have included the files needed yet nothing..
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Mar 16, 2010
Can a foto that is being viewed via the Lightbox effect be also hyperlinked?
For example look at this page:
http://www.anoox.com/test/lbox/test_1.htm
If you know about Light box effect you know that the regular href tag for linking an image into a web page is taken over by the light box effect to show the larger version of the image in the light box window, so then how can such an image that is loaded into light box window be hyperlinked itself?
And if you know how, can you kindly show a few examples?
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Mar 22, 2010
Code...
Since I changed hosts for my web site Ive had a few creases to iron out. I'm hoping this is the last one...
Basically on this page http://www.pauserefreshment.co.uk/go...arch_2010.html i had a really cool light box effect pulled from this site code...
Unfortunately it no longer works :-( Ive checked the file paths and cant see the problem. I'm totally foxed. The CSS and java script files look the same so I just cannot fathom why when you point over an image on this page
http://www.pauserefreshment.co.uk/go...arch_2010.html the light box effect remains disabled.
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Jan 14, 2011
[code]If you step into this code in a debugger, obj is correctly passed into genSendButton as an object of the appropriate class. The code in the if(obj.msNotified == 0) clause generates an error. The var obj resolves to NPanlel: (this happens to be the class of the object). Regardless of how I try to pass obj into the method sendNotification it doesn't resolve to an object. Can anyone shed any light on where my omission of intelligence is occurring?
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Nov 11, 2009
I have a div containing a few text elements like date and description. I want to change the background-color of the div to a light grey when the mouse is over it. This works fine. The problem: As soon as the mouse is over a child element, the background changes back!
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Apr 11, 2011
Where I work there are certain dates where nothing can be done, certain times where work can be done with caution, and dates where work can be done. I want to put on the site a traffic light that would change colours based on the calendar dates where work can/can't be done.
For example, if April 11th there is stuff to do, the traffic light would be green. But April 12th, there isn't work to do, it would turn red. Do you know how I would go about doing this?
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Dec 26, 2011
I'm wondering if theirs a way to make a dim light, sorta like a candle follow my mouse cursor on a webpage?
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Oct 26, 2011
I have to JS scripts running on a page, one is a fading slide-show acting as a header and the other is a light-box like image gallery. When I view a picture in the "light-box" mode it sits underneath the fading slide-show and I want it to be on top of everything - much like setting the z-index in css. Although I don't think this is the way to solve this.
Anyway, you can check what I'm talking about here: [url]
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Oct 22, 2006
I have a Java GUI application where I perform a lot of long DB operations [e.g. massive SQL Insert's], which takes 5-60 secs to perform. Sometimes user double-clicks the button or just gets impatient and clicks again, which created duplicate records.
So I am trying to disable the button as soon as it is clicked, and as soon as it's done, re-enable it again.
I tried to do it in Javascript, just simple: <input... name=Save... onclick="enabled=true;">
and as soon as screen refreshes, it re-enables the button automatically.
That works in some cases, however when I need to do some other Javascript operation
(e.g. validate() the fields on the screen), disabling the button automatically stops both Javascript and association form action in Java which is totally unacceptable.
Is there any other simple solution to such problems in Java or Javascript?
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May 7, 2006
Instead of searching and replacing unwanted character in strings using cgi/perl, I would like to prevent some characters from ever being typed in text boxes and textfields. Two characters I would like to stop are "|" (pipe symbol) and the "carriage return". I am not even sure how to search and/or replace a carriage return in a string anyway. This may be a JavaScript function, because what I would really like to do is send an alert to tell the user that it is not allowed.
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Dec 1, 2009
Way to prevent someone from entering anything into a cell?
It's the bit in bold below:
Code:
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Jul 23, 2005
I have an <input> box and i want to disable the apostrophe ( ' ) key, so
when you press it, no character appears in the input box. All other keys
should work ok.
I can trap the keypress event using "onkeypress=myKeypressHandler()" but,
beyond that, I'm stuck. I forget how to detect what key was pressed or how
to "null it out".
I'm using IE6 and users will be IE5.0 upward ONLY (trust me on this, suffice
to say it's not a website but an intranet application).
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Jul 20, 2005
I need to html encode all text field values on the client just before
sending them to the server. A javascript equilalent of Server.HTMLEncode in
IIS. I also need to be able to perform the reverse.
All I am trying to do is ensure that if a user enters html tags in the a
form, that the tags does not get parsed by the browser.
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Nov 7, 2011
If a negative number is entered into the reading variable it should be displayed as a zero. This works with the first calculations such as average but right at they very end the the alert wont display the highest average it just displays the one which has a negative number typed in to it.
[Code]...
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Jul 23, 2009
I'm trapping the onKeyPress event of a textarea, and I'm wondering if there's a way to prevent the key from also being typed into the textarea if it's a certain key. I have tried stripping off the last character from the value property, but it seems that the character is added after the event handler finishes.Here's my code, in case it helps:
<html>
<head>
<script language="javascript" type="text/javascript">
[code]....
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Jun 30, 2011
I am trying to make a popup window with Javascript that will let a user choose either a Yes or No button and then be sent to a page after that.I really do not want this popup to be resizable. I have read that is not really possible in current browsers, but that you can prevent it form happening with resizeTo().I am not sure I'm doing this right though:
<input type='button' value="DELETE GROUP" onclick="javascript:Popup('deleteGroupWarning.html')" />
var stile = "top=10, left=10, width=300, height=300 status=no, menubar=no, toolbar=no
[code]....
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Sep 26, 2004
I have some code that gets executed in a document onload event.
I display an alert message box saying that some action was performed successfully.
However the following annoying issue is bothering me.
Whenever someone bookmarks the page, or go back to it, or even refreshes it, then the onload event gets fired again and the alert box appears.
Is there a safe way to make sure that the code in onload will get executed only once? and that cosecutive triggering of the page will not trigger any code execution.
The most important thing to note, is that I pass a parameter in the URL indicating that the code should be triggered in the onload event.
Obviously when I refresh the screen, the parameter is passed again and the code gets executed..
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Nov 7, 2006
I'm using image as a resizing grip for my element and under IE and Opera it works fine but in Firefox it starts dragging the image when you press mouse button and move mouse and doesn't generate mousemove events. Is there a way to prevent the image from being dragged?
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