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  • How to determine which enemy is hit and destroy it alone

    - by Jon Ferriter
    http://jsfiddle.net/5DB6K/ I have this game being made where you shoot enemies from the sides of the screen. I've got the bullets moving and being removed when they reach the end of the screen (if they didn't hit any enemy) and removing the enemy when they collide with it. //------------collision----------------// if(shot === true){ bulletY = $('.bullet').position().top + 2; bulletX = $('.bullet').position().left + 2; $('.enemy').each(function(){ if($('.enemy').hasClass('smallEnemy')){ enemyY = $(this).position().top + 7; enemyX = $(this).position().left + 7; if(Math.abs(bulletY - enemyY) <= 9 && Math.abs(bulletX - enemyX) <=9){ $(this).remove(); score = score + 40; bulletDestroy(); } } }); } However, the bullet destroys every enemy if the collision check is right which isn't what I want. I want to check if the enemy has the class of either smallEnemy, medEnemy, or lrgEnemy and then do the collision check which is what I thought I had but it doesn't seem to work. Also, the game starts to lag the more and more time goes on. Would anyone know the reason for that?

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  • Ajax request. Which callback is executed first complete or success?

    - by Gutzofter
    I could spike this to find out, but I'm going to use SO. In my unit tests (qunit) I use the asynchShould (alias for asynchTest) test. Part of the assertion is to wait for the completion/success of the request. Like this: asyncShould('talk to customer list server', 1, function() { stop(2000); var forCustomerList = newCustomerListRequest(); forCustomerList.page = 'helpers/helper.php'; forCustomerList.data += '&action=customerListServer&DB=11001'; var originalSuccess = forCustomerList.success; forCustomerList.success = function(msg) { if (msg.flash !== undefined && msg.data !== undefined && msg.status !== undefined) { ok(true, 'json structure correct') } else { ok(false, 'json structure not correct'); } originalSuccess(msg); start(); }; testController.getServerData(forCustomerList); })

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  • Check if previous clicked value is inside an array

    - by Lelly
    I have a list with different categories. All the list item are clickable. I want the user to pick between 1 and 3 items. They can toggle their choice, but maximum is alway 3. So far, so good. Where it get tricky for me, is that I have some special categories that can't be combined with any others. When a user click on one of these, all the other categories deselect and they can't add any other, (these item have only 1 category selection possible) Exemple: Let's say "Car" is a special category. If they click on Car, everything else deselect, Car is selected, and they can't select anything else. BUT they can click again on Car to deselect it, and from there the logic start over. What's missing in my code is the part in bold just above this. My code: $j('.chooseCat li').on('click',function(){ var $this = $j(this); //list item clicked var catId = $this.children("a").attr("rel"); // list item id var specialCat = ['6','36','63']; if ($this.hasClass("selected")) { $this.removeClass("selected"); $j("#categorySuggestions p.error").hide("fast") } else { if( $j.inArray(catId, specialCat) !== -1 ) { $j('.chooseCat li').removeClass("selected"); $this.addClass("selected"); } else { if ($j('.chooseCat li.selected').length <= 2){ $this.addClass("selected"); } else { $j("#categorySuggestions p.error").show("fast").html("You cannot select any more categories"); } } } }); A working jsFiddle of where Iam at: http://jsfiddle.net/nfQum/9/

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  • How to access the elements in <script> inside the body tag

    - by Geetha
    Hi All, I am using <script> inside the body tag. <script type="text/javascript" language="javascript"> $('#audioVolume').text($('#audioVolume').text(Math.round((document.mediaPlayer.Volume + 2000) / 10) + "%")); </script> Error: Microsoft JScript runtime error: 'undefined' is null or not an object. Need: I want to access the html elements in <script inside the body tag.

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  • How to find input element id by value?

    - by Abs
    Hello all, How do I get the id of an input element based on its value? The values will always be unique and there are only 7 of them. I have tried this: $('#wrapper').find("input[value='"+value+"']").each(function(){ return this.id; }); But nothing is returned! Thanks all for any help

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  • JQM Nested Popups

    - by mcottingham
    I am having a hard time with the new Alpha release of JQM not showing nested popups. For example, I am displaying a popup form that the user is supposed to fill out, if the server side validation fails, I want to display an error popup. I am finding that the error popup is not being shown. I suspect that it is being shown below the original popup. function bindSongWriterInvite() { // Bind the click event of the invite button $("#invite-songwriter").click(function () { $("#songwriter-invite-popup").popup("open"); }); // Bind the invitation click event of the invite modal $("#songwriter-invite-invite").click(function () { if ($('#songwriter-invite').valid()) { $('#songwriter-invite-popup').popup('close'); $.ajax({ type: 'POST', async: true, url: '/songwriter/jsoncreate', data: $('#songwriter-invite').serialize() + "&songName=" + $("#Song_Title").val(), success: function (response) { if (response.state != "success") { alert("Should be showing error dialog"); mobileBindErrorDialog(response.message); } else { mobileBindErrorDialog("Success!"); } }, failure: function () { mobileBindErrorDialog("Failure!"); }, dataType: 'json' }); } }); // Bind the cancel click event of the invite modal $("#songwriter-invite-cancel").click(function () { $("#songwriter-invite-popup").popup("close"); }); } function mobileBindErrorDialog(errorMessage) { // Close all open popups. This is a work around as the JQM Alpha does not // open new popups in front of all other popups. var error = $("<div></div>").append("<p>" + errorMessage + "</p>") .popup(); $(error).popup("open"); } So, you can see that I attempt to show the error dialog regardless of whether the ajax post succeeds or fails. It just never shows up. Anyone have any thoughts? Mike

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  • Clear the form once form submitted

    - by zurna
    Once the form submitted, response from another page is printed to #GameStorySys. But values entered to the form still stays there. Is it possible for the form values to disappear (but the form should still stay) once the form submitted? $("[name='GameStoryForm']").click(function() { $.ajax({ type: "POST", data: $("#GameStoryForm").serialize(), url: "content/commentary/index.cs.asp?Process=EditLiveCommentaryStory&CommentaryID=<%=Request.QueryString("CommentaryID")%>", success: function(output) { $('#GameStorySys').html(output); }, error: function(output) { $('#GameStorySys').html(output); } }); });

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  • reload masonry when div has fadeout onclick?

    - by Jason
    Hi, I'm using masonry for layout. I have set up a filter for the divs using the following code: $("#logo").click(function() { $(".box").fadeIn(); $(".box:not(.logo)").fadeOut(); }); when I select an item, I want masonry to reload the layout so that the items are reshuffled and that there aren't blank spaces. Ideas? thanks

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  • How to Embed thumbnails in images

    - by user198222
    I have a bunch of 200X120 thumbnails and a bunch of high quality images, Apparently when I just resize the thumbnails with img size the quality suffers, so we are loading two images from the server the image thumbnail and the actual, I am just trying to optimize my site for speed a little saw someone mention embedding thumbs in the image, does anyone know a program that does that? Is this the best way to achieve my goal of high quality thumbnails?

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  • Group multiple or statements within an IF in javascript

    - by nick
    The following code works: $(".valClear").each(function () { if ($(this).val().indexOf(".png") == -1) { $(this).val(''); } }); However this doesn't (the value is removed even if it contains .png or .jpeg), what am I doing wrong? $(".valClear").each(function () { if (($(this).val().indexOf(".png") == -1) || ($(this).val().indexOf(".jpeg") == -1)) { $(this).val(''); } });

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  • JQTouch Pressure Sensitivity

    - by rson
    I noticed an interesting bug with the JQTouch platform and wanted to know if anyone else has run into it our has a workaround for it. If I have a link with an onclick event and lightly tap the link on the iPhone, the link works, but the click event is not fired. If I tap the same link harder, the event fires. Any thoughts on this?

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  • How do i Convert a Select to a Checkbox

    - by streetparade
    That sounds pretty odd but i have this cod and i need to convert it to checkbox, with the same functionalities <select onchange="document.getElementById('reasonDiv{$test->id}').style.display = ''; document.getElementById('reason{$test->id}').value = this.value;" name='reasonId{$test->id}' id='reasonId{$test->id}'> <option value=''>Test</option> {foreach item=test from=$testtmp.6} <input type="checkbox" value='{include file='testen.tpl' blog=$test1 member=$test2 contents=$test->contents replyId=$test->predefinedreplyid }' label='{$test->predefinedreplyid}' {if $test->predefinedreplyid==$test1->declineId}selected="selected"{/if}>{$test->subject}</option> {/foreach} </select> How can i do that? Thanks for help

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  • Reading label Id

    - by user281180
    Im having a table in which im creating a label dynamically. '<td>' + '<label for="Name" id = ' + value + '>' + text + '</label></td>' I want to retrieve the id of the label and I`m doing the following which is not working: How can I get the Id of the label? function ReadNames() { $('#Table tr').each(function() { NameID.push($(this).find('label').val()); }); }

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  • 2 ajax forms on the same page posting same textbox

    - by rod
    Hi All, Is it possible to post, say like a value in a textbox, to 2 different ajax forms that are on the same page? It doesn't have to be at the same time? What I'm trying to do is this: I have a search page that searches for customers and displays them on a paged grid. Users can specify up to 5 parameters (5 textboxes) to narrow the search. On the same page I have an export option. Well since I want all the customers for the search and not just the paged data I need a way to post back to the server for this option passing the same parameters used in the grid. I'm using a ViewModel which would be nice if I can pass that back to the server rather than the individual search fields that are backed by the view model. Thanks, rodchar

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  • Bind event to AJAX populated list items

    - by AnPel
    I have an unordered list with no list items. I get some information from the user, I run it through my database using AJAX and the servers sends back a JSON object response. Then I append each list item I want to display to the list using something like $('blabla').append('<li>information</li>') My question is, since the li elements were not there at the time the DOM was ready, how can I bind a click event to them? Here is my full code: $(function(){ var timer; $('#f').keyup(function(){ clearTimeout(timer); timer = setTimeout(getSuggestions, 400); }); }) function getSuggestions(){ var a = $('#f')[0].value.length; if( a < 3){ if(a == 0){ $('#ajaxerror').hide(300,function(){ $('#loading').hide(300,function(){ $('#suggest').hide(300) }) }) } return; } $('#loading').slideDown(200,function(){ $.ajax({ url: '/models/AJAX/suggest.php', dataType: 'json', data: {'data' : $('#f')[0].value }, success: function(response){ $('#ajaxerror').hide(0,function(){ $('#loading').hide(100,function(){ $('#suggest ul li').remove(); for(var b = 0; b < ( response.rows * 3); b = b + 3){ $('#suggest ul').append('<li>'+response[b]+' '+response[b+1]+' '+response[b+2]+'</li>') // MISSING SOME CODE HERE TO BIND CLICK EVENT TO NEWLY CREATED LI } $('#suggest').show(300) }) }) }, error: function(){ $('#suggest').hide(0,function(){ $('#loading').slideUp(100,function(){ $('#ajaxerror').show(300) }) }) } }) }) }

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  • Modifying html of dom element that was created after page loaded

    - by Ben321
    I have two separate AJAX calls. One that gets a list of items from a txt file and creates an HTML table out of them and one that talks to a database to find how much each item costs and then lists this in the corresponding table cell for each item (I know this may sound like a strange approach, but it's a good option in our case...). The issue is that the price is not getting written to the table since the table is created (or to be precise, the rows of the table are created) after the page loads. I'm not sure how to fix this. $(document).ready(function() { makeItemTable(); listPrices(); ... }); function makeItemTable() { $.ajax({ url: 'products.php', type: 'GET' }) .done(function(response) { $('.price-table > tbody').html(response); }) } function listPrices() { .ajax({ url: 'prices.php', type: 'GET' }) .done(function(response) { priceData = $.parseJSON(response); $('.price-table tr').each(function() { var item = $(this).find('td:nth-child(1)').text(); if (priceData[item]) { var price = priceData[item]; $(this).find('td:nth-child(2)').text(price); } }) }

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  • ajax how to read out $_post variable

    - by alex
    Hi, I am trying to filter/search a database with ajax $.ajax({ type: "POST", url: "filterSearch.php", queryString: qry, success: function(data){ alert( "Data Saved: " + data ); $('#searchResult').html(data); // Fill the search results box } }); Now in filterSearch.php i have the following test codes if(isset($_POST['queryString'])) { echo "TEST"; } if($_POST['runquery']==1) { $sql = "SELECT * FROM fs_vacatures WHERE here-the-like-query?"; $msg = $sql; echo $msg; die(); } die(); But nor TEST or the $sql is return in the alert??

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  • Pulling Data out of an object in Javascript

    - by PerryCS
    I am having a problem retreiving data out of an object passed back from PHP. I've tried many different ways to access this data and none work. In Firebug I see the following... (it looks nicer in Firebug) - I tried to make this look as close to Firebug as possible results Object { data="{"formName":"form3","formData":"data goes here"}", phpLiveDebug="<...s: 198.91.215.227"} data "{"formName":"form3","formData":"data goes here"}" phpLiveDebug "<...s: 198.91.215.227" I can access phpLiveDebug no problem, but the data portion is an object. I have tried the following... success: function(results) { //$("#formName").val(results.data.formName); //$("#formName").val(results.data[0].formName); //$("#formName").val(results.data[0]); //$("#formName").val(results.data[1]); //$("#formName").val(results.data[0]["formName"]); var tmp = results.data[formName]; alert("!" + tmp + "!"); $("#formName").val(tmp); $("#jqueryPHPDebug").val(results.phpLiveDebug); } This line works in the example above... $("#jqueryPHPDebug").val(results.phpLiveDebug); but... I can't figure out how to get at the data inside the results.data portion... as you can see above, I have been trying different things and more not even listed there. I was really hoping this line would work :) var tmp = results.data[formName]; But it doesn't. So, after many days of reading, tinkering, my solution was to re-write it to return data similar to the phpLiveDebug but then I thought... it's gotta be something simple I'm overlooking... Thank you for your time. Please try and explain why my logic (my horrible attempts at trying to figure out the proper method) above is wrong if you can?

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  • Having an issue wit mouseup event

    - by user3680715
    Hello everyone I have this code working fine but I want the script to stop on the mouse up event. Here is an example of what I have now. How can I stop the script on mouse up event so that it looks like it only shows the coordinates when dragging over the image. Thank you! http://jsfiddle.net/Hc7x4/20/ $(document).ready(function () { $("#map-catcher").mousedown(function (e) { $("#map-catcher").mousemove(function (e) { $("#coord").text("x:"+e.offsetX+", y:"+e.offsetY); return; }); $("#map-catcher").mouseup(function (e) { return; }); }); });

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  • Disable (and re-enable) the href and onclick on elements

    - by jibees
    Hello I just want to enable / disable onclick and href on elements (a or div). I don't know how to do this. I can disable onclick by adding an handler on click event, but the href is still available. $(this).unbind().click(function(event){ event.preventDefault(); return; }); FOUND A HACK FOR A ELEMENTS if ($(this).attr("href")) { $(this).attr("x-href", $(this).attr("href")); $(this).removeAttr("href"); }

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  • Javascript if/else statement in iframe

    - by gr33nh4t
    So I'm trying to use javascript to pop up a video, and need to know when I'm in an iframe so I can resize the video accordingly. When outside the iframe, I see three alerts ('this is seen by both', 'not in iframe', and 'this is after the fact') When in the iframe, I just see the first alert ('this is seen by both'). var handleViewVideoClick = function (dataAction, eventType, targetElement, dataActionElement) { alert('this is seen by both'); if ($('iframe', window.parent.document).length == 0) { alert('not in iframe'); } else { alert('in iframe'); } alert('this is after the fact...'); }; What's going on here?

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  • jQuery: Toggling an image when toggling a DIV

    - by Wanda
    Hey guys, I'm trying to write some jQuery that will toggle DIVs open and closed, and it's working, but I want an arrow that will change to "down" if the DIV is expanded, and "right" if the DIV is collapsed. What I have so far: $('.toggleHead').click(function() { $('#arrow').attr('src', 'images/icons/down.png'); $(this).next().toggle(); return false; }).next().hide(); Where would I put the other $('#arrow').attr('src', 'images/icons/right.png');? Thanks!

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