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  • add element to the DOM with JS

    - by john
    I want add element with JS. I have code: var collection = document.getElementsByTagName('body');<br> var a = document.createElement('div');<br> a.innerHTML = 'some text';<br> collection.item(0).firstChild.appendChild(a);<br> and simple HTML: <html> <head> </head> <body> </body> </html> When is misstake?

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  • How to retain focus on an editable html after deleting an element.

    - by Lukasz
    Hello, I have a website with design mode on (aka. content editable = true) with some basic text on it. To that site I hooked up a shortcut so that at any point in the text I can insert an input box that serves me as an autocomplete. For that input however I want it to disappear right after I hit ENTER so that I can continue typing. It is an easy task to just make the input box disappear but I always loose focus from my document. I would greatly appreciate any suggestions on how to make this work?

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  • jquery form validation, and submit-on-change

    - by Bee
    I want to make all my settings forms across my site confirm that changes are saved, kinda like facebook does if you make changes in a form and then try to navigate away without saving. So I'm disabling the submit button on the forms only enabling if the values change. I then prompt the user to hit save before they leave the page in the case that they do have changes pending. var form = $('form.edit'); if(form.length > 0) { var orig_str = form.serialize(); $(':submit',form).attr('disabled','disabled'); form.on('change keyup', function(){ if(form.serialize() == orig_str) { setConfirmUnload(false); $(':submit',form).attr('disabled','disabled'); } else { setConfirmUnload(true); $(':submit',form).removeAttr('disabled') } }); $('input[type=submit]').click(function(){ setConfirmUnload(false); }); } function setConfirmUnload(on) { window.onbeforeunload = (on) ? unloadMessage : null; } function unloadMessage() { return 'If you navigate away from this page without saving your changes, they will be lost.'; } One of these forms needs some additional validation which I do using jQuery.validate library. e.g. if i wanted to ensure the user can't double submit the form on accident by double clicking on submit or somesuch (the actual validation in question is for a credit-card form and not this simple): $('form').validate({ submitHandler: function(form) { $(':submit', form).attr('disabled','disabled'); form.submit(); } }); Unfortunately both bits are trying to bind to submit button and they're interfering with each other such that the submit button remains disabled no matter what I do and it is impossible to submit the form at all. Is there some way to chain the validations together or something? Or some other way to avoid re-writing the validation code to repeat the "did you change anything in the form" business?

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  • Select option in iPhone and Android browsers.

    - by alex
    I'd like a select box that will alert the value when the user selects the option. (in iPhone) <select> <option> 1 </option> <option> 2 </option> <option> 3 </option> </select> In my web browser on the desktop, I can do: onclick, but on the phone, onclick doesn't work.

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  • mootools event listener disappears after element.innerHTML is changed

    - by baiano
    I putting together a page that will display a set of stored values. I am using mootools and AJAX calls to update the values without needing to refresh the page each time the user selects a new item from the drop down menus. the HTML each line looks something like: <div class="selections"> <input class="checkbox selector" type="checkbox" CHECKED /> <span class="b_name"> <select class="b_n selector"> <!-- options --> </select> </span> <span class="b_level"> <select class="b_l selector"> <!-- options --> </select> </span> <span class="values"> <!-- the values --> </span> In the head I have set up an event listener like: $$('.selector').addEvent('change', function(event){changeValues(this);}); My problem is that when the "b_name" select changes I have to update the list of options in the "b_level" select. I accomplish that by getting a list of the possible options from my database through a php script on another page and replacing "b_level"'s innerHTML. Once I do that, the event listener attached to "b_l selector" no longer works. I tried to resolve this issue by explicitly attaching an event listener to "b_l selector" each time "b_name" changes like so: row.getElement('.b_l').addEvent('change', function(event){changeValues(row.getElement('.b_l'));}); where 'row' is the html element 'div.selections'. It still isn't working and I have no idea what's going on. Can anyone offer a suggestion as to how I can get this resolved? or perhaps a better way to do what I'm doing. Thanks

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  • Ajax response is taking time to populate.

    - by Rachel
    I am having an util class which is not owned by me. I am calling one of the method of that util class which inturn calls one ajax function. And gives me response back. I need to make a decision depending on the response object. The problem is that response object takes some time to populate(mili seconds). var selector = dojo.byId("SelectorId"); var theChart = new chart( selector, 135, 92, style, frequency, time); if(theChart.data ===null){ console.log("No response"); }else{ Console.log("Use response data"); } and chart( selector, 135, 92, style, frequency, time); is not owned by me. chart() is from util class. above snippet works fine with break point. But when I remove the breakpoint it starts going in "if" block always. Hows can I solve this issue.

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  • Why does my if statement always evaluate to true?

    - by Pobe
    I need to go through the months of the year and find out if the last day of the month is 28, 29, 30 or 31. My problem is that the first if statement always evaluates to true: MOIS_I = 31 if (mois == "Janvier" || "Mars" || "Mai" || "Juillet" || "Août" || "Octobre" || "Décembre" || "1" || "3" || "5" || "7" || "8" || "10" || "12" || "01" || "03" || "05" || "07" || "08") { window.alert("Le mois " + mois + " de l'année " + annee + " compte " + MOIS_I + " jours "); } Also, it seems like it is necessary to do if (mois == "Janver" || mois == "Février" || ... ) and so on, but I wanted to know if there was a better way to do it. Here is the full code: var mois, annee, test4, test100, test400; const MOIS_P = 30; const MOIS_I = 31; const FEV_NORM = 28; const FEV_BISSEX = 29; const TEST_4 = 4; const TEST_100 = 100; const TEST_400 = 400; mois = window.prompt("Entrez un mois de l'année", ""); annee = window.prompt("Entrez l'année de ce mois", ""); /* MOIS IMPAIRS */ if (mois == "Janvier" || "Mars" || "Mai" || "Juillet" || "Août" || "Octobre" || "Décembre" || "1" || "3" || "5" || "7" || "8" || "10" || "12" || "01" || "03" || "05" || "07" || "08") { window.alert("Le mois " + mois + " de l'année " + annee + " compte " + MOIS_I + " jours "); /* MOIS PAIRS */ } else if (mois == "Février" || "Avril" || "Juin" || "Septembre" || "Novembre" || "2" || "4" || "6" || "9" || "11" || "02" || "04" || "06" || "09") { if (mois == "Février") { test4 = parseInt(annee) % TEST_4; test100 = parseInt(annee) % TEST_100; test400 = parseInt(annee) % TEST_400; if (test4 == 0) { if (test100 != 0) { window.alert("Le mois " + mois + " de l'année " + annee + " compte " + FEV_BISSEX + " jours "); } else { window.alert("Le mois " + mois + " de l'année " + annee + " compte " + FEV_NORM + " jours "); } } else if (test400 == 0) { window.alert("Le mois " + mois + " de l'année " + annee + " compte " + FEV_BISSEX + " jours "); } else { window.alert("Le mois " + mois + " de l'année " + annee + " compte " + FEV_NORM + " jours "); } } else { window.alert("Le mois " + mois + " de l'année " + annee + " compte " + MOIS_P + " jours "); } } else { window.alert("Apocalypse!"); } TEST_4, TEST_100, TEST_400 are to test if the year is a leap year (which means february has 29 days instead of 28). Thank you!

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  • stop cript debug error dialogs occur in ie8 ?

    - by Haroldo
    I get this, clicking 'no' means the page displays flawlessly. it's refering to this part of jquery1.4.2.js: // Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) { return num == null ? // Return a 'clean' array this.toArray() : // Return just the object ( num < 0 ? this.slice(num)[ 0 ] : this[ num ] ); }, I assume i'm calling something in the wrong context somewhere in one of my js files (which would be a real mission to find). Will standard IE8 users get this error? (i imagine ms make it pretty difficult to reinstall ie!)

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  • Help me make a jquery AJAXed divs' links work like an iframe.

    - by Dave
    I want to make a few divs on the same page work similar to iframes. Each will load a URL which contains links. When you click on those links I want an AJAX request to go out and replace the div's html with new html from the page of the clicked link. It will be very similar to surfing a page inside an iframe. Here is my code to initially load the divs (this code works): onload: $.ajax({ url: "http://www.foo.com/videos.php", cache: false, success: function(html){ $("#HowToVideos").replaceWith(html); } }); $.ajax({ url: "http://www.foo.com/projects.php", cache: false, success: function(html){ $("#HowToProjects").replaceWith(html); } }); This is a sample of code that I'm not quite sure how to implement but explains the concept. Could I get some help with some selectors(surround in ?'s) and or let me know what is the correct way of doing this? I also want to display a loading icon, which I need to know where the right place to place the function is. $(".ajaxarea a").click(function(){ var linksURL = this.href; // var ParentingAjaxArea = $(this).closest(".ajaxarea");; $.ajax({ url: linksURL, cache: false, success: function(html){ $(ParentingAjaxArea).replaceWith(html); } }); return false; }); $(".ajaxarea").ajaxStart(function(){ // show loading icon });

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  • how to get the values dynamically in js

    - by jeessy
    hi having problem with my id iam making my website for health product. already we have a 10 products with corresponding amounts in this section customer choose the product through drop down box. in next we are getting service charges from customer by clicking radio buttons. we have a three radio buttons with name=add and three amount value like 5$ 7$ 9$. It is working fine. for example: customer selected 3 produts in the sense that total amount around 20$ after customer clicks this radio button(any) and submit button that amount will add with totally in next page ie 25$ what i want is that radio button amount should add with get payment then display the page dynamically. function checkRadio (frmName, rbGroupName) { var radios = document[frmName].elements[rbGroupName]; for (var i=0; i < radios.length; i++) { if(radios[i].checked) { return true; } } return false; } $(document).ready(function(){ $("input[name='rmr']").click(function() { updatePayment($(this).val()); if (!!$(this).attr("checked") == true) { $("#finalamount").html( parseInt($("#totalamount").val(), 10) * parseInt($(this).val(), 10)); } }); } this code is right or wrong. thanks in adv

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  • how to hightlight a div if the page.isvalid=false.

    - by Nimesh
    I wanna high light particular div when the page.isvalid=false. on the pageload i am able to get display the error message. But the issue is that i am not able to highlight the control which is required. I have a js function which sets the error class to the div. Its working fine when i click on a button. On the page load i wanna set this as well. can i do this using some jquery??? or something other way.. Please let me know how to do this.... share your ideas.... Thanks

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  • Detecting Handlers of a jQuery "Live" Event

    - by Anderson De Andrade
    Using: $('#foo').data('events').click We are able to access an iterative object of click handlers added to the element '#foo' but only when they were added with .bind() Is there a way to get the handlers for an event added with .live()? Is there any other way to know if an element has a click handler assigned?

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  • Jquery find first visible element after horizontal scroll

    - by lolo flores
    I’m new (only two weeks old) in Jquery, so please bear with me. I know that a very similar question was asked some time ago but I do not know how to adapt the answer to my problem. I have a very wide multicolumn layout something like this: | aaaa | bbbb | cccc | … | | aaaa | b | cc | … | | aaa | cccc | ddd | … | The code looks like: <div id="container"> <p>aaaaaaaaaaa</p> <p>bbbbb</p> <p>ccccccccccc</p> <p>dddddddddd</p> ... <p>xxxxxx</p> </div> There is no vertical scrolling and the container width is set in such a way that only two columns are shown. The user scrolls left or right to see the relevant text. What I want is to get the position currently on display, store it (maybe in a cookie) and retrieve it the next time the user opens the page. I think that I need a way of finding out what paragraph is currently the left-top most, but other suggestions are very welcome. Any ideas? btw: this is an internal project, so Mozilla only :-) Thanks Lolo

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  • jQuery: How to reverse sortable('serialize') arrays from last to first?

    - by Binyamin
    The discussion begins http://stackoverflow.com/questions/654535/jquery-what-to-do-with-the-list-that-sortableserialize-returns/2920760#2920760 How to reverse it from last to first, updateList.php?id[]=5&id[]=4&id[]=3&id[]=2&id[]=1&&action=update? <ul> <li id="oreder-5">5</li> <li id="oreder-4">4</li> <li id="oreder-3">3</li> <li id="oreder-2">2</li> <li id="oreder-1">1</li> <ul> My code: $(document).ready(function(){ order=[]; $('#list ul').children('li').each(function(idx, elm) { order.push(elm.id.split('-')[1]) }); $.post('updateList.php', {'order[]': order, action: 'update'}); function slideout(){ setTimeout(function(){ $("#response").slideUp("slow", function () {}); }, 2000); } $("#response").hide(); $(function() { $("#list ul").sortable({ opacity: 0.8, cursor: 'move', update: function() { var order = $(this).sortable("serialize") + '&action=update'; $.post("updateList.php", order, function(theResponse){ $("#response").html(theResponse); $("#response").slideDown('slow'); slideout(); }); }}); }); });

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  • making ajax request to another server

    - by santhosh
    Hi, I had a ajax sample code from W3Schools, where If i request ajax call to remote server the request getting fails. function loadXMLDoc() { if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("myDiv").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","http://www.google.com",true); xmlhttp.send(); } How to solve this..?

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  • Change ID to text in paragraph with jQuery

    - by Reuben
    I would like to take what text is in my p tag and make that the p tags parent (div) that ID. I would also like to add a _ for any spaces in the p tag. Example: <div class="circle"><p>Apple</p></div> <div class="circle"><p>Banana</p></div> <div class="circle"><p>Carrot Juice</p></div> to <div id="Apple" class="circle"><p>Apple</p></div> <div id="Banana" class="circle"><p>Banana</p></div> <div id="Carrot_Juice" class="circle"><p>Carrot Juice</p></div>

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  • How to protect and hidden form HTML/PHP with JS callback to AS3

    - by Jk_
    Hi guys, I'm developing a Flash website (as3) where I need to be able to upload directly to YouTube by using the DATA API. However in order to do so, I had to use a proper HTML form on top of my flash object. Why? Because of the Browser Based Upload restictions. I first hide the form using JQuery and with a little CSS the form is display just where I want it. Within flash I use ExternalInterface.call() to show/hide the form when I need it! ExternalInterface.call("YTUploader.showIt"); The upload process is working great my only problem is that the form can be displayed easily... You just need a tool like firebug and you can use the form wherever you want on my flash app. So I was wandering which will be the best way to 'protect' this form or the best way to limit its access. Any advices will be appreciated. Thanks for your time. Jk.

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  • Heroku "We're sorry, but something went wrong." due to javascript_include_tag

    - by Newton
    Uploading my ruby on rails app to heroku causes the following error: We're sorry, but something went wrong. This does not occur on my local machine. After some debugging, I think I may have spotted the error, but do not know how to fix it. In my file application.html.erb, removing the following line solves the problem, but then my app loses its jquery mobile theme. Any ideas what I could do to fix the problem? Line causing the problem: <%= javascript_include_tag "application" %> application.html.erb file: <!DOCTYPE html> <html> <head> <title>Washapp</title> <meta name="viewport" content="width=device-width"> <link rel="stylesheet" href="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.min.css" /> <%= javascript_include_tag "application" %> <script src="http://code.jquery.com/mobile/1.0.1/jquery.mobile-1.0.1.min.js"></script> <%= csrf_meta_tags %> <script> if (window.location.hash == "#_=_") window.location.hash = ""; </script> </head> <body> <div data-role="page"> <%= yield %> </div> </body> </html>

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  • How to decide if a parameter is the click event

    - by sameold
    I have a function which can be called by either a click event or directly. When I call it directly, I need pass it a data parameter, so I've defined the function to accept a parameter to account for the direct call with the parameter. function myFunc(param){ } Within the function, I need to differentiate whether the function was called directly or from the click event, so what I thought I could simply check if param is set. If it's set, then the function is called directly. If it's not set, then it's called from the click event. The problem is that a click event by default passes an event object. So even when the function is called by the click event, param won't be null. So is there a way to check whether the param passed is the click event?

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  • Getting Result of $q's Resolution or Rejection

    - by Kevin Meredith
    I'm looking at a $q example from Mastering Web Application Development with Angular. For this code, how can I retrieve the String result of pizzaOrderFulfillment.resolve(...) or pizzaOrderFulfillment.reject? var myApp = angular.module('myApp',[]); myApp.controller("MyCtrl", function ($scope, $q) { var Person = function(name) { this.eat = function(food) { return name + " is eating " + food; }; this.beHungry = function(reason) { return name + " is hungry because" + reason; }; }; // success var pizzaOrderFulfillment = $q.defer(); var pizzaDelivered = pizzaOrderFulfillment.promise; var man = new Person("man"); pizzaDelivered.then(man.eat, man.beHungry); pizzaOrderFulfillment.resolve("chicken"); // TODO: var successResult = "man is eating chicken" });

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  • How can chunks be allocated in a node.js stream in object mode all at once?

    - by Quentin Engles
    I can see how buffers, and strings can be sent as chunks, but I'm having a problem thinking about how streams can be dealt when working in object mode. Say I have a byte stream from an http request message. I want to take that message, parse, and then transform it into one big object. I already know how to parse the message. What I'm wondering is if the message is big so it has many chunks, but I want to make one object for the output how can I make sure the data event waits for the whole thing? Is this just a matter of not using the push method until the chunked data has finished being sent? That would then restrict the stream data output to a smaller object which I think I'm fine with for now. As an added condition the larger data will be reduced in size after the the transform.

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