Is it possible to create partially transparent elements on the fly in canvas? Currently I'm setting the whole canvas element's opacity in CSS, but I want to some elements to be more visible then others. Nothing I've found so far indicates that this is possible. ...
i have a textarea and two buttons like <form name="form1"> <textarea name="text1"> HTML Codes goes here </textarea> <input type="button"> Open File <input type="button"> Save File </form> when i click on "save" button i want the text in textarea to be saved (i want it to pop up the "save as" dialog box) When i click on "open" , it...
I was wondering if there are any packages available out there to make CSS3 capabilities available to browsers that do not support it yet. The way I envision this, and I've been unable to find anything via search, is the JS would detect the browser and load its own library that essentially do the CSS3 functions using JavaScript. I kno...
I' ve made a in JavaScript function to check every 100 ms if a global variable is loaded. When the variable will be loaded the function will return the value of the variable as shown below. In my code I use an HTTP server in JavaScript, and the variable will be loaded when a specific HTTP request with specific headers arrive to my server...
Hello. I have this Twitter widget that works really well (and is easily customizable), but I have one issue with it. I only want to post tweets less than two days old, but I can't figure out how to do it. So in the HTML, I have the following: <ul id="twitter_update_list"></ul> <script src="/assets/script_twitterwidget.js" type="text/j...
Let's say I have a format string "XXX - XXX - XXXX" (to format a phone number), or any other format string in which X stands for a number I want to preserve the formatting in the format string (spacing, dashes etc.), but exchange each X for a number and drop all formatting in the source string Examples: Input: "abc+d(123)4567890",...
Hi, I have a YUI resizable dialog that contains a multi-tab widget. Works fine on IE > 7, Safari, FF, Chrome. Question: Initially, when a user changes tabs, the dialog shrinks to fit the new tab. But after the user resizes the dialog, if a new tab is selected, the dialog does NOT shrink to fit the new tab. How can I change the size o...
Whats difference between library EXT-JS , EXT-CORE , EXT-GWT as i have worked on ext-js so please explain me in a layman language :) ...
I'm using this script to animate some images inside anchors: $('#locations a').each(function() { // set opacity 0 take initial position $(this).css('opacity', '0'); var left = $(this).css('left'); var top = $(this).css('top'); // reset position and animate $(this).css({'left' : '0', 'top'...
Hello, I'm want to create a style element after loading of page ( say about 2-3 sec after page loaded ) html <html> <body> <div id="div1" > <div id= "div2" > some text goes here </div> </div> </body> </html> javascript $(function() { var style = $('<style type="text/css" />').appendTo('head'); ...
Hi folks, I know everyone hates when their context menus get messed with so what I'm asking for is the opposite of that. I've tried looking for javascript plugins that deal with changing the context menus in webpages, but I find that they are very intrusive. (i.e. the context menu now only contains the items that the developer chooses)....
I have three tabs, made up of images that change when you rollover them. The rollover effect is achieved with the following example css. a#tabButton_profile { height: 30px; width: 133px; display:block; background-image: url(img/content_tab_profile.jpg); } a#tabButton_profile:hover{background-image: url(img/content_tab_p...
Is there any way to run a Javascript engine, like Spidermonkey, on Google App Engine? Spidermonkey is a C module, so obviously that wont work (GAE doesn't allow those types of modules)... is there something else available? ...
I have a div called 'divLinks' I want all links inside the divLinks to open in a new window. How can I write a cross-browser effective script to achieve this? ...
I want to build a custom object in HTML which is focusable. How can I do that in general? More specific about why I want that: I need some kind of editor component with much more power and control over it. I.e. no single character should be possible to be typed in directly. It is like a big tree of objects (imagine an AST or so) and you...
Soon I'll be needing to build a widget that some of our clients can embed in their own websites. To future proof my widget the embed code would be something like this: <script type="text/javascript" src="path/to/remote/file.js"></script> <div id="my_widget"></div> What are the strengths and weaknesses of iframes vs JSONP? Are there ...
Suppose I have a large list of objects (thousands or tens of thousands), each of which is tagged with a handful of tags. There are dozens or hundreds of possible tags and their usage follows a typical power law: some tags are used extremely often but most are rare. All but the most frequent couple dozen tags could typically be ignored, i...
I am trying to use AJAX to populate some select boxes that were autogenerated using CakePHP's formHelper. How do I add the onChange event listener to the select box? ...
I'll try and explain the best I can... I have a page, we'll call it pageA. When a button is clicked on that page, an ajax request is sent out and the return data is eval()'d. That data obviously contains javascript code. This code could possibly contain event listeners that are added to pageA when it is eval'd. Something like jquery...
I followed one example: I have a print image button. When clicked, the button opens the print dialog and then I want to hide the image button. But, initially I am not able to see the print button to click on it. <link href="style-print.css" rel="stylesheet" media="print" type="text/css"> #print { display: none; } <div style="flo...