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  • location.hash in an iframe scrolls the parent window

    - by Ben Clayton
    Hi all. I have a page with an iframe. Inside the iframe is code (that I can't change) that sets location.hash to the id of an element in the iframe window. This has the unwanted effect of scrolling my outermost browser window so that the top of the window touches the top of the iframe. This is quite annoying as I have a toolbar above the iframe that is vital to my app. Is there any way of preventing the setting of location.hash affecting the scroll position of the main window? Will preventDefault help me out here? Thanks!

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  • Wait for function to finish before starting again.

    - by Matthew Brown
    Good Morning, I am trying to call the same function everytime the user presses a button. Here is what happens at the moment.. User clicks button - Calls function - function takes 1000ms+ to finish (due to animation with jQuery and AJAX calls) What I want to happen is every time the user presses the button it adds the function to the queue, waits for the previous call to finish, and then starts.. Is this possible? Sorry if my explanation is a bit confusing.. Thanks Matthew

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  • flowchart library for business process visualization

    - by jonny
    I need to generate flowchart from business process specification (tasks, their input, output points, roles applicable for each task... ) stored in a database. What I need is javacript (preferably, open-sourced) library which can generate a shiny flowchart with swimlines. Ideally I should be able to edit workflow connections and send changes back to database. Any recommendations? UPDATE By flowchart I mean something like this:

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  • jQuery Countdown plugin and AJAX

    - by roman m
    I'm using jQuery Countdown plugin to implement a Countdown and call a webservice when timer expires. The problem is that I'm using AJAX on the page, and have to re-setup the Countdown on every AJAX request like so: var prm = Sys.WebForms.PageRequestManager.getInstance(); prm.add_endRequest(SetupTimer); /*Initial setup*/ $(document).ready(function() { SetupTimer(); }); function SetupTimer() { var serverTime = new Date(); var cutoffTime = new Date($("#<%= cutoffTime.ClientID %>").val()); serverTime.setHours(serverTime.getHours()); if (serverTime < cutoffTime) { $('#timer').countdown('destroy'); /*should work, but doesn't*/ $('#timer').countdown({ until: cutoffTime, serverTime: serverTime, onExpiry: OrderingEnded, format: 'yowdHMS' }); } else OrderingEnded(); } This, for some reason, creates a new instance of the Countdown on ever request, resulting in numerous calls to Webservice when Countdown expires. How do I make sure that only one instance of the Countdown exists at a time? EDIT found this in documentation, doesn't do it for me though $('#timer').countdown('destroy');

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  • Retrieve parent node from selection (range) in Gecko and Webkit

    - by Jason
    I am trying to add an attribute when using a wysiwyg editor that uses "createLink" command. I thought it would be trivial to get back the node that is created after the browse executes that command. Turns out, I am only able to grab this newly created node in IE. Any ideas? The following code demonstrates the issue (debug logs at bottom show different output in each browser): var getSelectedHTML = function() { if ($.browser.msie) { return this.getRange().htmlText; } else { var elem = this.getRange().cloneContents(); return $("<p/>").append($(elem)).html(); } }; var getSelection = function() { if ($.browser.msie) { return this.editor.selection; } else { return this.iframe[0].contentDocument.defaultView.getSelection(); } }; var getRange = function() { var s = this.getSelection(); return (s.getRangeAt) ? s.getRangeAt(0) : s.createRange(); }; var getSelectedNode = function() { var range = this.getRange(); var parent = range.commonAncestorContainer ? range.commonAncestorContainer : range.parentElement ? range.parentElement(): range.item(0); return parent; }; // **** INSIDE SOME EVENT HANDLER **** if ($.browser.msie) { this.ec("createLink", true); } else { this.ec("createLink", false, prompt("Link URL:", "http://")); } var linkNode = $(this.getSelectedNode()); linkNode.attr("rel", "external"); $.log(linkNode.get(0).tagName); // Gecko: "body" // IE: "a" // Webkit: "undefined" $.log(this.getSelectedHTML()); // Gecko: "<a href="http://site.com">foo</a>" // IE: "<A href="http://site.com" rel=external>foo</A>" // Webkit: "foo" $.log(this.getSelection()); // Gecko: "foo" // IE: [object Selection] // Webkit: "foo" Thanks for any help on this, I've scoured related questions on SO with no success!

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  • IE9 selectAllChildren on an out-of-view element

    - by MrSlayer
    I am trying to replicate a service that is provided by Tynt.com that appends some text to a user's selection when copying. I understand that users don't particularly like this, but it is a client's request to append the URL and copyright notice whenever a user copies something from their website. In current browsers, I am able to do this by creating a DOM element, adding the selected text, appending the copyright text and then selecting the new node: var newSelection = document.createElement( 'div' ); newSelection.style.cssText = "height: 1px; width: 1px; overflow: hidden;"; if( window.getSelection ) { var selection = window.getSelection( ); if( selection.getRangeAt ) { var range = selection.getRangeAt( 0 ); newSelection.appendChild( range.cloneContents( ) ); appendCopyright( ); document.body.appendChild( newSelection ); selection.selectAllChildren( newSelection ); // ... remove element, return selection } } In IE9, this errors out on the selection.selectAllChildren( newSelection ) statement and I was able to figure out that this is because newSelection was effectively "hidden" from the viewport due to the styles applied in the second line above. Commenting that out works, but obviously the new node is shown to the end user. It appears that this was resolved in later versions of IE, but I am having trouble coming up with a workaround that is sufficient for IE9, a browser that I need to support. I've tried a variety of alternatives, like setting visibility: hidden;, positioning it off-screen, and trying some alternative selection functions, but they each present different problems. The error thrown by IE is: SCRIPT16389: Unspecified error.

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  • YUI - Pros and Cons

    - by StackOverflowNewbie
    I'm about to begin a new project and plan to use YUI and my JS and CSS framework for the following reasons: Treeview with tri-state checkboxes (seems to be the best implementation I could find) Calandar (seen others, but since #1 is on YUI, I'm glad it also has calendar) CSS framework (was going to use 960, but might as well go 100% Yahoo) I plan to use only 1 JS framework. Does anyone see any problems with my decision?

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  • jQuery: Is mouse over element?

    - by JamesBrownIsDead
    I could write something pretty easily to determine whether the mouse is over a given element, but is there already anything in the jQuery core library (or a plugin I guess) that will tell me whether the current mouse position is over a given element?

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  • GWT: Best practice for unit testing / mocking JSNI methods?

    - by Epaga
    I have a class which uses JSNI to retrieve JSON data stored in the host page: protected native JsArray<JsonModel> getModels() /*-{ return $wnd.jsonData; }-*/; This method is called, and the data is then translated and process in a different method. How should I unit test this class, since I'm not able to instantiate (or seemingly mock?) JsArray? What is the best way to unit test JSNI methods at all?

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  • How can I recreate the ImageKit Picture Taker?

    - by kennyisaheadbanger
    Hi, I'm trying to create a tool for jQuery which crops images. I know there is already a load of already. The difference with the one i'm trying to make is that i'd like it to act like the Picture Taker interface found in many mac applications like iChat and Adium. I'm stuck completly on how to do it. Can anyone give me any ideas? Picture Taker Documentation

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  • Show alert on browser close but don't show alert while closing from logoff

    - by Neha Jain
    In my application when user logs out the browser is closed. And on browser close I am throwing an alert. Now what I want is if I directly close the browser window alert should come but if window is closed through logout alert should not come as I have shown another confirm message of logout. function closeEditorWarning(){ for (var i=0;i<childWindow.length;i++) { if (childWindow[i] && !childWindow[i].closed) childWindow[i].close(); if(i==0) { alert("This will close all open e-App applications"); } } window.close(); } window.onbeforeunload = closeEditorWarning; And this is my logout code $('#'+id).click(function(event){ event.preventDefault(); $('#centerContent').load('<%=request.getContextPath()%>/'+target); }); } else { $('#'+id).click(function(event){ event.preventDefault(); var r=confirm("logout"); if (r==true) { flag=true; for (var i=0;i<childWindow.length;i++) { if (childWindow[i] && !childWindow[i].closed) childWindow[i].close(); } window.close(); } else { } }); }

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  • How to disable scrolling the document body?

    - by Manohar
    I have a HTML which has lot of content and a vertical scrollbar appears as soon as the HTML is loaded. Now from this HTML a full screen IFRAME is loaded. The problem is when the IFRAME is loaded, the parent scrollbar still persists, I want to disable the scrollbar when the Iframe is loaded. I tried: document.body.scroll = "no", it did not work with FF and chrome. document.style.overflow = "hidden"; after this I was still able to scroll, and the whole iframe would scroll up revealing the parent HTML. My requirement is, when the IFRAME is loaded, we should never be able to scroll the entire IFRAME if the parent HTML has a scrollbar. Any ideas?

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  • What do the FireBug DOM colors mean?

    - by André Pena
    I'm confused with these colors. I noticed there are 4 colors showing in the left hand column of FireBug DOM tree: Bold black Black Bold green Green In the right hand column: Blue Red Bold green Green Multiple color elements representing object structures. What do this colors represent? And why, e.g, I can access window.document.URL and I can't access window.document.body in Console even though they are both in the "not-bold black" category in the DOM tree? Thanks a lot

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  • Lazy-loading flash objects

    - by friedo
    I'm using the jQuery lazy-loading plugin to defer loading of below-the-fold images on a large web page. This works great. Now, I would like to apply the same technique to a large Flash object which is also below-the-fold. I don't think the lazy-load plugin handles things that aren't images (at least it doesn't look that way so far.) I may have to do it myself. In that case, how do I detect when the area containing the Flash object becomes visible?

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  • science.js’s loess() output is identical to input

    - by user3710111
    Rendered project available here. The line is supposed to be a trend line (as rendered with LOESS), but it merely follows each data point instead. I am no stats wonk, so maybe it makes sense that a LOESS function’s output would match the input as seen in the above example, but it strikes me as being wrong. Here is the relevant bit of code: var loess = science.stats.loess().bandwidth(.2); var xVal = data.map(function(d) { return d.date; }); var yVal = data.map(function(d) { return d.A; }); var loessData = loess([xVal], [yVal])[0]; console.log(yVal); console.log(loessData);

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  • remember the highlighted text in html page(add annotation to html page)

    - by ganapati hegde
    Hi, I have an HTML file, i am opening it with webkit,i want to develop an app, such that after opening it, i should be able to select some text and make it highlighted(say by pressing some button 'highlight text' ). And it should remember the highlighted text so that when i open it next time it should highlight the same text automatically...which information i got to store so that i can highlight the same in the next time ? any library is available which makes my work simple?

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  • Using jQuery and AJAX works for all functions except one, really bizarre issue (from my perspective)

    - by CoreyT
    I am working on a classic asp form that has a number of dropdowns. Three of these are cascading, i.e. they rely in the previous dropdown. For almost everything this code works fine, one of them however is not playing nice. To start off I have a script tag with the following in it: $(document).ready(function () { $("#AcademicLevel").change(getList); $("#CourseDeliveryTime").change(updateLocation); $("#ProgramType").change(updateEntryTerm); }); This works just fine for the first two elements of the form, AcademicLevel and CourseDeliveryTime, the third however does not take effect however. If I use Firebug's Console and run that same line of code, $("#ProgramType").change(updateEntryTerm);, it starts to work, sort of. What happens is what confuses me. If the function it is pointing to, updateEntryTerm, has an alert() call in it, it works. If the alert is commented out, it does not work. The function is below: function updateEntryTerm() { $.ajax({ type: "POST", url: "../Classic ASP and AJAX/jQueryExample.asp", dataType: "application/x-www-form-urlencoded", data: "Action=UpdateEntryTerm&acadLevel=" + $("#AcademicLevel").val() + "&courseTime=" + $("#CourseDeliveryTime").val() + "&programType=" + $("#ProgramType").val(), async: false, success: function (msg) { $("#EntryTerm").remove(); $("#tdEntryTerm").append(msg); //alert(msg); } //, //error: function (xhr, option, err) { // alert("XHR Status: " + xhr.statusText + ", Error - " + err); //} }); } I am lost on two different issues here, First why is the call to $("#ProgramType").change(updateEntryTerm); not working unless I run it in Firebug Console? Second, why does the function itself, updateEntryTerm, not work unless the alert() call is present? Has anyone seem something like this before?

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  • Range Selection and Mozilla

    - by Matrym
    I would like to specify that firefox select a range. I can do this easily with IE, using range.select();. It appears that FFX expects a dom element instead. Am I mistaken, or is there a better way to go about this?

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  • MooTools Event Delegation using HTML5 data attributes.

    - by Anurag
    Is it possible to have event delegation using the HTML5 data attributes in MooTools? The HTML structure I have is: ?<div id="parent"> <div>not selectable</div> <div data-selectable="true">selectable</div> <div>not selectable either.</div> <div data-selectable="true">also selectable</div> </div>???????????????????????????????????????????????????????????????????????? And I want to setup <div id="parent"> to listen to all clicks only on child elements that have the data-selected attribute. Please let me know if I'm doing something wrong: The events are being setup as: $("parent").addEvent("click:relay([data-selectable])", function(event, el) { alert(this.get('text')); }); but the click callback is fired on clicking all div's, not just the ones with a data-selectable attribute defined. You can see this example on http://jsfiddle.net/NUGD4/ A workaround is to adding this as a CSS class, which works with delegation but I would prefer to be able to use data-attributes as it's used throughout the application.

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  • Is there a redraw-event for HTML5's canvas element?

    - by valmar
    As the title says, I need a notification when the content of a canvas element was redrawn. Is this possible? If not, a notification when the whole page was redrawn would also be ok (reDRAWN not reLOADED!). The reason why I need this is that I want to get the current FPS of an animation running inside a canvas.

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  • moment.js work out time left

    - by user1503606
    I am trying to get my head around the moment.js library as it seems more stable than the jquery one and the jquery date one is output console errors. http://momentjs.com/docs/#/manipulating/ What i am trying to do is do a countdown to work out the time left from now. example i have var countDownTill = '2012-11-19 00:00:00 +0000'; document.write(moment(countDownTill).diff(moment(), 'months') + " months<br>"); document.write(moment(countDownTill).diff(moment(), 'weeks') + " weeks<br>"); document.write(moment(countDownTill).diff(moment(), 'days') + " days<br>"); which will output 0 months 1 weeks 4 days but its not working out overall its doing it individuals for each value (days,weeks,months) so if i up the date by say 12 months like below. var countDownTill = '2013-11-19 00:00:00 +0000'; document.write(moment(countDownTill).diff(moment(), 'months') + " months<br>"); document.write(moment(countDownTill).diff(moment(), 'weeks') + " weeks<br>"); document.write(moment(countDownTill).diff(moment(), 'days') + " days<br>"); it outputs. 12 months 53 weeks 369 days where as i am trying to get it to output 12 months 2 weeks 5 days example here http://jsfiddle.net/fDmWH/3/

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  • Scrolling when idle?

    - by Julie
    Can anyone point me to an example of code for a page that begins to automatically scroll when the user is idle for an amount of time? I think this is slightly beyond my skill set. I think JQuery or something similar might be appropriate but I just can't seem to figure it out. I'm designing a site for the nonprofit I work for and we don't have the money to hire a programmer. I wouldn't ask anyone to code anything for me, just to point me in the right direction. Thank you so much. Julie K.

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