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  • Basic javascript function

    - by McDan Garrett
    I have this function working <script type="text/javascript"> $(window).scroll(function() { if ($(window).scrollTop() == $(document).height() - $(window).height()) { $('div#loadmoreajaxloader').show(); $.ajax({ url: "loadmore.php?wall=<?php echo $wall; ?>&lastid=" + $(".postitem:last").attr("id"), success: function(html) { if (html) { $("#postswrapper").append(html); $('div#loadmoreajaxloader').hide(); } else { $('div#loadmoreajaxloader').html('<center><font color="white">No more posts to show.</font></center>'); } } }); } }); </script> But I need to have the same stuff happening (on IOS Devices), but instead of it happening when the browser reaches the loadmoreajaxeloader div, I simply need it to happen on an onclick event on a link. Thanks heaps. Tried to add code but didn't format so here it is http://pastebin.com/p2VUqZff

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  • Javascript content rotator?

    - by different
    I’ve got the basics of a content rotator done, the only problem is it doesn’t loop itself back to the beginning and I cannot figure out why! It is a very simple javascript script: window.onload = function() { setInterval("transition()", 5000); } function transition() { var y = document.getElementById("featured").getElementsByTagName("li"); for (var i=0;i<y.length;i++) { if (y[i].className == "current") { y[(i+1)].className = "current"; y[i].className = ""; break; } } } It keeps stopping at the end of the list, basically I just want it to loop. Any help?

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  • Automated browsing with javascript?

    - by Paul Wicks
    I'm trying to do some browser automation, but I'm having some problems. Basically, what I'd like to do is load a set pages, set some forms options, click a button and view the results for each page that I open. Originally, I tried to do this by placing the pages I wanted to automate in iframes and then using javascript to drive the interactions I want in each, but that results in a Permissions Error, since the sites I want to automate are not on my server. Is there any way around this? The other possibility I've thought of is to use QT's webkit class and the evaluateJavaScript method to accomplish what I'd like to do, but this seems a bit more heavy weight for something that is, conceptually, pretty simple.

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  • Hidden line removal in JavaScript or Python?

    - by feklee
    I have the following task: Input: A 3D scene comprised of a set of cuboids. Could be broken down to a set of triangles. A description of a camera: position, direction, focal length. Output: 2D wire frame projection of the scene as a set of lines. Important: Hidden lines removal should have been applied. Platform: Web app running on Google App Engine for Python. Any idea if there is a JavaScript or Python library that does this?

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  • Maximizing the current window in javascript

    - by user349134
    Is there a way I can maximize a currently minimized window from Javascript? Here's my situation: I have a series of links that all target the same external window (e.g. "MyNewWindow"). When I click a link, a new window pops up. If I click another link, the page pops up in the same window as expected. If I minimize the "MyNewWindow" popup, I'd like to be able to click another link and have that window maximize. My approach was to put something on the onLoad part of the body so that when the page is refreshed it will automatically "maximize" if it is minimized. Note: Using window.MoveTo() and window.resizeTo() doesnt seem to do the trick (the window stays minimized). Thanks!

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  • FOR loop performance in Javascript

    - by AndrewMcLagan
    As my research leads me to believe that for loops are the fastest iteration construct in javascript language. I was thinking that also declaring a conditional length value for the for loop would be faster... to make it clearer, which of the following do you think would be faster? Example ONE for(var i = 0; i < myLargeArray.length; i++ ) { console.log(myLargeArray[i]); } Example TWO var count = myLargeArray.length; for(var i = 0; i < count; i++ ) { console.log(myLargeArray[i]); } my logic follows that on each iteration in example one accessing the length of myLargeArray on each iteration is more computationally expensive then accessing a simple integer value as in example two?

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  • namespacing large javascript like jquery

    - by frenchie
    I have a very large javascript file: it's over 9,000 lines. The code looks like this: var GlobalVar1 = ""; var GlobalVar2 = null; function A() {...} function B(SomeParameter) {...} I'm using the google compiler and the global variables and functions get renamed a,b,c... and there's a good change that there might be some collision later with some outside code. What I want to do is have my code organized like the jquery library where everything is accessible with $. Is there a way to namespace my code so that everything is behind a # character for example. I'd like to have this to call my code: #.GlobalVar #.functionA(SomeParameter) How can I do this? Thanks.

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  • Php/Javascript to make a browser game?

    - by user335932
    I've been on and off intrested in making a text based browser game. I have been turned off by the idea because of the daunting amount of things to learn. PHP (or another sever side scripting language) Javascript HTML MySql And the fact of severs and apache.. Can I just pay for web hosting and by-pass having to set-up apache? Also how long will it take me to learn all thoose things well enough to start work on my game? Should I just stick with Flash and then C# for XNA?

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  • Will html5 and Javascript replace native applications?

    - by nimo
    I recently attended a conference on future of the web and web development and it was a lot of focus on HTML5 and how it will impact the way we look at the web and how we will use it. The majority of the speakers meant that it will replace native application on your desktop as well as in your mobile phone. I agree that you will be able to make a lot of great stuff with the new technology take bespin for example and the <video> and <canvas> tag will be amazing, but will it completely remove the need for native applications? Is there something you cannot do with Javascript and HTML5?

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  • Sorting a value pair in Javascript

    - by Bradley M. Davis
    I must be missing the proper term or else I'm sure I could find the answer by searching... in any case, here's what I want to do. Through javascript, I get four variables (A, B, C, and D) that I would like to sort, and still keep track of the variable name (since it's encoded with meaning information). Sample Data: A = 2; B = 1; C = 4; D = 3; What I need to do now is sort them in value order (4,3,2,1) such that I can actually know the variable name ordering (C,D,A,B).

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  • Rails3 Redirect for javascript/ajax

    - by Tiago
    Hi, I'm using a form with the remote => true. I have a validation that is working correctly. My problem is when the user enters all the correct information and writes the data at this time I do a redirect to the page of the show. Instead of redirecting, it displays the html of the show in my div. How can I make a javascript redirect that will understand? I did not want to use the window.location. Thanks...

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  • javascript not working on localhost

    - by Adam McMahon
    Ok so I'm lost here, frustrated and pulling my hair and out. Plus probably about to be fired or take a pay cut. I moved Files from a development server to my local machine. The files are consistent (used diff tool), all the dependencies are there. It works for the most part. The problem is that the some of the javascript (not all) is just not working. We're using jquery and a lot of plugins for it. I've checked with the web developer plugin in firefox and all the js files are loading. I cleared the cache in both firefox and chrome multiple times to no avail. The development server is a windows server running wamp. My local machine is running ubuntu. Somebody tell me what I missed.

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  • Regex in javascript for enum datatype of mysql

    - by himadri
    Hello, I am working with php and mysql. I have one dropdown box where I am asking datatype of mysql field. Now, I want to put javascript validation for it. I am confused with the enum datatype. I am using regular expression /^[']{1}[^',^\\]+[']{1}$/. This is for one single value of enum values. It is working fine but issue is when I put single quote or backslash with backslash, it is valid but this regular expression shows it as invalid. For eg, 'a'b' is invalid but 'a\'b' is valid.

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  • javascript validate zip regular expression

    - by phil
    It's not working. Probably it's syntax error, but I can't figure it out. <script src="jquery-1.4.2.min.js" type="text/javascript"></script> <script> pattern=/^[0-9]{5}$/; if (!pattern.test($('#zip').val)) {$('#zip').append($('<p>',{html: zip is invalid}));} </script> zip (US only): <input type="text" name='zip' id='zip' maxlength="5">

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  • is it possible to evaluate JavaScript code using XMLHttpRequest

    - by user1064717
    I'm trying to use this ajax request to call a file with some php which is working ok and some JavaScript which is not. any ideas? function showpart2(){ if(window.XMLHttpRequest){ xmlhttp = new XMLHttpRequest(); xmlhttp.open("GET","atuamae.org/parte2-encomendar.php",false); xmlhttp.send(null); } document.getElementById('part2').innerHTML = xmlhttp.responseText; eval(xmlhttp.responseText.getElementById('part2').innerHTML) setTimeout('showpart2()',15000); } showpart2(); </script>

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  • JavaScript closures in for-loop

    - by user1656447
    As explained here http://www.mennovanslooten.nl/blog/post/62/ code below outputs result just for "5x5" forgetting about anything before that. for (x = 1; x <= 5; x++) { for (y = 1; y <= 5; y++) { var cords = x+"x"+y; var el = document.getElementById(cords); el.addEventListener("click", function (e) { B_modeWindow('1', cords); }); } } As far I have the informations (blog link provided above) can't figure out how to alter showed code to fix it. How to walk around this code with JavaScript closure in my for-loop?

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  • String.Format in javascript?

    - by chobo2
    Hi this is driving me nuts. I believe I asked this exact same question but I can't find it anymore(I used stackoverflow search, google search, manually searched my posts, searched my code). I wanted something that would be like the C# String.Format where you could do something like string format = String.Format("Hi {0}",name); just for javascript of course and one person gave me a simple answer it was not like a jquery plugin or anything but I think you made some json thing or something and it worked and was simple to use. I for the life of me can't find this post.

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  • Regular Expression for accurate word-count using JavaScript

    - by Haidon
    I'm trying to put together a regular expression for a JavaScript command that accurately counts the number of words in a textarea. One solution I had found is as follows: document.querySelector("#wordcount").innerHTML = document.querySelector("#editor").value.split(/\b\w+\b/).length -1; But this doesn't count any non-Latin characters (eg: Cyrillic, Hangul, etc); it skips over them completely. Another one I put together: document.querySelector("#wordcount").innerHTML = document.querySelector("#editor").value.split(/\s+/g).length -1; But this doesn't count accurately unless the document ends in a space character. If a space character is appended to the value being counted it counts 1 word even with an empty document. Furthermore, if the document begins with a space character an extraneous word is counted. Is there a regular expression I can put into this command that counts the words accurately, regardless of input method?

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  • Long task in Javascript

    - by Misha Moroshko
    Why in the following code I see the whole page at once ? Thanks ! HTML: <div></div> CSS: div { width: 100px; height: 300px; border: 1px solid black; text-align: center; } Javascript: $(function() { for (var i=0; i<15; i++) { sleep(100); $("div").append("<span>--- " + i + " ---<br /></span>"); } function sleep(milliseconds) { var start = new Date().getTime(); for (var i = 0; i < 1e7; i++) { if ((new Date().getTime() - start) > milliseconds){ break; } } } });

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  • Javascript large number array compression

    - by gatapia
    Hi All, I've got a javascript application that sends a large amount of numerical data down the wire. This data is then stored in a database. I am having size issues (too much bandwidth, database getting too big). I am now ready to sacrifice some performance for compression. I was thinking of implementing a base 62 number.toString(62) and parseInt(compressed, 62). This would certainly reduce the size of the data but before I go ahead and do this I thought I would put it to the folks here as I know there must be some outside the box solution I have not considered. The basic specs are: - Compress large number arrays into strings for JSONP transfer (So I think UTF is out) - Be relatively fast, look I'm not expecting same performance as I have now but I also don't want gzip compression either. Any ideas would be greatly appreciated. Thanks Guido Tapia

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  • HTML, Javascript, PHP and Actionscript all in one Eclipse install (2010)

    - by ThunderChunky_SF
    I just wanted to poll the community and see which plugins people are currently using to get all of these different technologies running in Eclipse. I saw this thread which mentioned Spket & WPT: http://stackoverflow.com/questions/1575617/eclipse-which-plugins-for-html-javascript But I noticed that Spket doesn't seem to have been updated since October of 2009 so I'm wondering if it's still a good tool to use. I'm not sure what would be best for PHP since it seems like some of the tools are disjointed at the moment. For Actionscript I know I can just install the latest Flash Builder plugin and be done. Any suggestions are greatly appreciated.

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  • JavaScript constructors inside a namespace

    - by Joe
    I have read that creating a namespace for JavaScript projects helps to reduce conflicts with other libraries. I have some code with a lot of different types of objects for which I have defined constructor functions. Is it good practice to put these inside the namespace as well? For example: var shapes = { Rectangle: function(w, h) { this.width = w; this.height = h; } }; which can be called via: var square = new shapes.Rectangle(10,10);

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  • How can I see included JavaScript sources?

    - by Toddintr
    I am trying to script a web page using GreaseMonkey. (I am using Firebug for help in development.) The page has a small amount of JavaScript code, but that code pulls in other JS files from the site. Are the entire collection of JS files stored somewhere on the client side (i.e. on the filesystem somewhere) so that I can view them? Or better yet, is there a way I can view them in Firebug? I am a little overwhelmed by Firebug but will be able to follow instructions. Many thanks. (My first ever question on SO!) -Todd

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  • Javascript find if english alphabets only

    - by Alec Smart
    Hello, Am trying to find some text only if it contains english letters and numbers using Javascript/jQuery. Am wondering what is the most efficient way to do this? Since there could be thousands of words, it should be as fast as possible and I don't want to use regex. var names[0] = 'test'; var names[1] = '???'; var names[2] = '??????'; for (i=0;i<names.length;i++) { if (names[i] == ENGLISHMATCHCODEHERE) { // do something here } } Thank you for your time.

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  • Convert Json date string to JavaScript date object

    - by dagda1
    Hi, I have the following JSON object which has a date field in the following format: { "AlertDate": "\/Date(1277334000000+0100)\/", "Progress": 1, "ReviewPeriod": 12 } I want to write a regular expression or a function to convert it to a javascript object so that it is in the form: { "AlertDate": "AlertDate":new Date(1277334000000), "Progress": 1, "ReviewPeriod": 12 } The above date format fails validation in the JQuery parseJSON method. I would like to convert the 1277334000000+0100 into the correct number of milliseconds to create the correct date when eval is called after validation. Can anyone help me out with a good approach to solving this? Cheers Paul

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