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  • How to add attributes to a HTML element in a valid way?

    - by Click Upvote
    I want to be able to add an attribute to a HTML element to be able to identify what its referring to. E.g if I have a list of names and a checkbox next to each name, like this: <div id="users"> Bob smith <input type=checkbox /> </div> And when a checkbox is clicked and the event handler function for it is called, I want to be able to identify which user was selected/unselected. Ideally I'm looking for something like this: <input type=checkbox data-userId = "xxx" /> Then when its clicked: function handleClick() { var userId = $(this).attr('data-userId'); } However I'm looking to do this in a way that won't break my HTML validation, and would still be valid HTML and work in all browsers. Any suggestions?

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  • How to add a checkbox for each row in Rails 3.2 index page?

    - by user938363
    We would like to add a checkbox to each row on Rails index page to flag for the row. This checkbox is not part of the object (no checkbox boolean in database). When the index page shows, a user can check the box to trigger an event for the row in following process: #objects/checkbox_index.html.erb <table> <tr> <th>CheckBox</th> <th>Object Name</th> <th>Object ID</th> </tr> <%= @objects.each do |obj| %> <tr> <td><%= checkbox %></td> <td><%= obj.name %></td> <td><%= obj.id %></td> </tr> <% end %> </table> In controller, the process will be like this: @objects.each do |obj| some_event if obj.checked end There are a couple of questions we don't quite understand: 1. How to declare an array checkbox variable on the form and link it to each row of obj? We have been using `attr_accessor` to declare var for a form. 2. How to retrieve each row on checkbox_index form and pass them back to controller? We are using simple_form for new/edit. Can anyone point me towards any good examples of this sort of behavior, or suggest what we should be thinking about? Many Thanks.

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  • Drawing straight lines in JavaScript

    - by Shawn31313
    I'm just trying to draw a line with JavaScript. I would like it to be like this: http://deepliquid.com/projects/blog/arrows2.html My version: http://jsfiddle.net/shawn31313/qsWML/5/show Doesn't work too well and I don't know how to get it too work. It must be an issue in my JavaScript. This my code: $(document).ready(function() { var dragStatus = 2, getPos, giveRandomID; $(document).mousedown(function(event) { dragStatus = 0; getPos = { top: event.clientY, left: event.clientX }; giveRandomID = Math.floor(Math.random() * 99999); }); $(document).mousemove(function() { var line = $('#line' + giveRandomID); if (dragStatus == 0) { $('body').append("<div id='line" + giveRandomID + "' style='position:absolute;top:" + getPos.top + "px;left:" + getPos.left + "px;background:black;width:2px;height:5px'></div>"); dragStatus = 1; } if (dragStatus == 1) { if (event.clientX > getPos.left) { line.css({ left: getPos.left, width: event.clientX - getPos.left }); } else { line.css({ left: event.clientX, width: getPos.left - event.clientX }); } if (event.clientY > getPos.top) { line.css({ top: getPos.top - Math.abs((event.clientY - getPos.top) * 2), '-webkit-transform': 'rotate(' + (event.clientY - getPos.top) + 'deg)' }); } else { line.css({ top: getPos.top + Math.abs((getPos.top - event.clientY) * 2), '-webkit-transform': 'rotate(' + (getPos.top - event.clientY) + 'deg)' }); } //for DEG "-" Top-Math.abs(DEG*2) for Deg "+" Top+(DEG*2) } }); $(document).mouseup(function() { dragStatus = 2; }); });? Thanks for any help fixing this. Mainly an issue with the math, just don't know how I can fix this.

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  • slide navigation

    - by robosot
    I'm trying to make slide navigation. Here is my code html <li> <a href="#">Services</a> <div class="subcategories"> <a href="#">Cleaning</a> </div> </li> The subcategories div is hidden. js $('li a').hover(function() { $(this).next().slideToggle('fast', function() { }); }); This code works. The problem is that when the mouse goes out of the li a the subcategories div disappears. What i want is that when the user point the li a the subcategories div to be shown so the user be able to click on some link of the sub navigation.

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  • cant get ajax response (JSON) to call 'success' function?

    - by Haroldo
    for some reason the success function isnt being called? javscript: $.ajax({ type: 'POST', url: 'http://localhost/hf_latest_desktop/st_pages/user_area/acc_buttons/pass_change/pass_change_ajax.php', data: data, dataType: 'json', success: function(e){ console.log(e); if(e.status == 'success'){ alert('your password has been changed!'); } if(e.status == 'error1'){ alert('please fill in all inputs!'); } if(e.status == 'error2'){ alert('password incorrect!'); } if(e.status == 'error3'){ alert('change failed!'); } } }); php file ajax is calling to: <?php session_start(); session_cache_limiter('nocache'); header('Expires: ' . gmdate('r', 0)); header('Content-type: application/json'); $status = 'error1'; //for sake of example ?> {'status':'<?php echo $status; ?>'}

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  • Why is it not displaying

    - by Doug
    My fieldset doesn't display onclick, what am I doing wrong? $(document).ready(function(){ $('#More').toggle( function() { $('#search', this).slideDown(); }, function() { $('#search', this).slideUp(); }); }); <div> Item 1 <a href="#" id="More">Item 2</a> Item 3 <fieldset id="search" style="display: none;"> <form> <input type="text"> </form> </fieldset> </div>

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  • Is it possible to exclude some elements from parsing when using regular expression and .replace()?

    - by Fletus Mefitis
    <script language="javascript"> $("div.post-content , .parsedsig").each(function(){ if($(this).html().indexOf("[/tabulaScriptum]") != -1) { pattern = /\[tabulaScriptum=(.*?)\]([^\[]*)\[\/tabulaScriptum\]/gi $(this).html($(this).html().replace(pattern, "<div class='tabulaScriptum'><div class='tabulaNomen'>$1</div><div class='tabulaImpleo'>$2</div></div>")) } }); </script> This script is working perfectly, except for one thing... I need not to replace [tabulaScriptum=][/tabulaScriptum] in certain elements. For example, I don't want to replace those "tags" in element that has class .code-box. Is it possible? Clarification: element .code-box is located within .post-content. Clarification #2: this script creates simple division spoiler. .tabulaScriptum is spoier's body, .tabulaNomen is spoiler's name and button which, in turn, reveals(or hides) .tabulaImpleo on click. Reveal\hide script is located in some other place, and I didn't post it here since it doesn't really matter. Clarification #3: http://jsfiddle.net/PRtsw/1/ fiddle.

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  • redirect wont work in Chrome

    - by Camran
    I have a form on my website. When this form is filled out, it is then validated by a javascript validation function. At the bottom of this function I have this piece of code: window.location="../index.html"; This wont work on Chrome, but does work in Firefox. My Q is, how can I make this simple redirect work on all (most) browsers? Thanks

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  • Slide Effect happening too many times

    - by Abs
    Hello all, I call this functions on onmouseover and onmouseout for several divs. //Takes effect on divs with id, 62,63,64,65... function slide_it(id){ $('#options_'+id).slideToggle('slow'); } The problem is that if I move my mouse over and then mouse out, then again, mouse over and then mouse out. If I do this several times, the slide effect happens the same number of times I moved my mouse over and out of the div, as expected. But I can't figure out how I can do this once? I can set a variable, but I have several divs that this function is used by and I can't think of a simple way of doing this rather than storing things into an array, but this is messy! I really appreciate any help on this that is simple to implement! Thanks all for any help

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  • How to return function in document ready?

    - by FatDogMark
    I don't know if it is possible to do this, like I have 2 js files. The first Js File: var news_pos, about_pos, services_pos, clients_pos; function define_pos(){ var $top_slides=$('#top_slides'), $mid_nav=$('#mid_nav'), $news_section=$('#section-1'); var fixed_height = $top_slides.height()+$mid_nav.height(); news_pos = fixed_height-20 ; about_pos = fixed_height+$news_section.height(); services_pos = fixed_height+$news_section.height()*2; clients_pos = fixed_height+$news_section.height()*3; } $(document).ready(function(){ var section_news = $('#section-1'), section_about = $('#section-2'), section_services = $('#section-3'), section_clients = $('#section-4'); setheight(); function setheight(){ var section_height=$(window).height()+200; $section_news.height(section_height); $section_about.height(section_height); $section_services.height(section_height); $section_clients.height(section_height); define_pos(); } }); The second JS File: $(document).ready(function(){ var nav = { '$btn1':$('#btn1'), '$btn2':$('#btn2'), '$btn3':$('#btn3'), '$btn4':$('#btn4'), '$btn5':$('#btn5'), myclick : function(){ myclicked(nav.$btn1,0); myclicked(nav.$btn2,news_pos); myclicked(nav.$btn3,about_pos); myclicked(nav.$btn4,services_pos); myclicked(nav.$btn5,clients_pos); function myclicked(j,k){ j.click(function(e) { e.preventDefault(); $('html,body').animate({scrollTop: k}, 1000); }); } //Is it right to do return{'myclick':myclick}, how to call? seems not logical } } nav.myclick(); // Here will not work because it say news_pos is undefined //if I use setTimeout(nav.myclick,1000), it will works but I want to run it right the when position is caculated. }); How do I pass the nav.myclick() function to the frist js file and put it in setheight() and under define_pos()? By the way writing codes right in stackoverflow is strange,press tab not really give you any spacing.

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  • connection textfield and html table with database

    - by klox
    dear all..i have a textfield <tr> <td> <td><input type="text" id="mod"></td> </td> </tr> and a cell <tr> <td><div id="value">//i want data show here</div> </td> </tr> beside that, i've a table "settingdata" in database it consist of 2 field:itemdata and remark.. itemdata's value are "UD" and remark's value are "FM=87.5-108.0MHZ"... what must i do if i want after type "0103UD" at textfield inside <div id="value"></div> can show "FM=87.5-108.0mhz"...

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  • why "$(opener.document).ready()" is not working?

    - by KK
    I tried something like, below in popup-window, but not working... any correction at line 3, please suggest. function closePopup() { window.opener.history.go(0); $(opener.document).ready(function(){ window.opener.some_function(some_variable); self.close(); }); }

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  • How do I remove an element class after success?

    - by sharataka
    When the user clicks on a button in the form associated with it's image, I'd like the image to disappear on success. I'm having trouble implementing this. Any advice? <script type="text/javascript"> $(document).ready(function() { $(".removebutton").submit(function(event){ event.preventDefault(); $.ajax({ type:"POST", url:"/munch_video/", data: { 'video_id': $('.video_id', this).val(), // from form 'playlist': $('.playlist').val(), // from form 'add_remove': $('.add_remove').val(), // from form }, success: function(message){ alert(message); $('.span8').removeClass('.video_id', this); } }); return false; }); }); </script> <div class = "span8" style = "width: 900px;"> <!-- wrapper div --> <div class='wrapper huluDotCom'> <!-- image --> <div class="image" style="position: relative; left: 0; top: 0;"> <a href = "/partners/Business/huluDotCom"> <img src = "/huluDotCom.png"> </a> <!-- munchbutton div --> <div class='munchbutton'> <form method='post' action = '/munch_video/ ' class = 'removebutton'><div style='display:none'><input type='hidden' name='csrfmiddlewaretoken' value='dKrS8NzqPWFLM6u8wJrAeid4nGw1avGK' /></div> <input type="hidden" value="Channel" class = "playlist"/> <input type="hidden" value="huluDotCom" class = "video_id"/> <input type="hidden" value="remove_video" class = "add_remove"/> <input type='submit' class="btn btn-danger" value='Remove from plate'/> </form> </div> <!-- end munchbutton div --> </div> <!-- end image div --> </div> <!-- end wrapper div --> <!-- wrapper div --> <div class='wrapper TheEllenShow'> <!-- image --> <div class="image" style="position: relative; left: 0; top: 0;"> <a href = "/partners/Business/TheEllenShow"> <img src = "/TheEllenShow.png"> </a> <!-- munchbutton div --> <div class='munchbutton'> <form method='post' action = '/munch_video/ ' class = 'removebutton'><div style='display:none'><input type='hidden' name='csrfmiddlewaretoken' value='dKrS8NzqPWFLM6u8wJrAeid4nGw1avGK' /></div> <input type="hidden" value="Channel" class = "playlist"/> <input type="hidden" value="TheEllenShow" class = "video_id"/> <input type="hidden" value="remove_video" class = "add_remove"/> <input type='submit' class="btn btn-danger" value='Remove from plate'/> </form> </div> <!-- end munchbutton div --> </div> <!-- end image div --> </div> <!-- end wrapper div --> </div>

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  • IE7 preventDefault() not working on skip links

    - by josh
    I currently have skip links that jump to the div ids and was using e.preventDefault() to stop the url from changing when jumping to the element but in IE7 and IE8 it doesn't work at all using e.preventDefault() and if I take it out the url changes to the div the anchor tag contains reference to. Is their any fix or way around this? Here is the code $('body').delegate('a.skiplink-accessible-text', 'click', function (e) { //e.preventDefault(); if (!$.browser.msie) { e.preventDefault(); } var jumpTo = $(this).attr('href'); $('body').find(jumpTo).attr('tabindex', - 1).focus(); }); EDIT: heres a little jsbin example for testing purposes http://jsbin.com/welcome/20846/edit

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  • how to empty() live ajax?

    - by Y.G.J
    i have ("#sendbid").live("click", function() { //here will be the ajax //after success: ("#personaltab").empty(); }) the personaltab is in the original code. the content is created on ajax and then when the user continue i want to check with live and empty the div not working - i have tried it all!!!

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  • Feature panel hover changer effect

    - by user1519157
    Haven't seen this before so hopefully someone has a easy solve, I have a 3 feature panel divs side by side, what I want happen is the 1st panel has a "hover" class added so I can change the background etc and then on a timed interval the hover class jumps to the next panel then the next panel then back to the start on a loop. Also on a side note can you keep the code in mind to be able to add more then 3 feature divs so you could have for example 6 or more or less etc.

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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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