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  • What's the difference between reflow and repaint?

    - by Jon Raasch
    I'm a little unclear on the difference between reflow + repaint (if there's any difference at all) Seems like reflow might be shifting the position of various DOM elements, where repaint is just rendering a new object. E.g. reflow would occur when removing an element and repaint would occur when changing its color. Is this true?

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  • jqGrid local date manipulation; problem with row ids when deleting and adding new rows

    - by Sam
    I'm using jqGrid as a client side grid input, allowing the user to input multiple records before POSTing all the data back at once. I'm having a problem where if the user has added a few records (say 3 ) the id's for the records will be 1,2,3. if the user deletes record 2, you're left with 1 and 3 for the id of the records. When the user now adds a new records, jqGrid assigns that records the id 3 again since it just seems to count the total records and increments it by one for the new record. This causes problems when selecting rows as now the row id's are 1, 3 and 3. Does anyone know how to access the row ids of records as I could probably use the afterSubmit event and reassign the row id's increasing from 1. ( so after i delete row id 2, this will set the other row id's to 1 and 2) Any other suggestions to solve this problem? Thanks

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  • Get the text of an li element

    - by Deepak Prasanna
    <ul class="leftbutton" > <li id="menu-selected">Sample 1</li> <li>Sample 2</li> <li>Sample 3</li> <li>Sample 4</li> <li>Sample 5</li> </ul> I want to get the text of the li item which the id="menu-selected". Right now I am doing something like document.getElementById('menu_selected').childNodes.item(0).nodeValue Is there any simpler way of doing the same?

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  • How to create a dynamic width column in Twitter Bootstrap

    - by Elad
    How do you use Twitter Bootstrap to create a table-like list structure, where some columns take as much space as required to accommodate the widest element of that column, and a single column takes the remaining space? For example Id |Name |Email address 100001|Joe |[email protected] 100 |Christine|[email protected] 1001 |John |[email protected] the Id column takes just enough space to accommodate the 100001 id which is the longest id, and the Name column takes just enough space to accommodate the name Christine. The Email column takes the remaining space.

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  • How to display part of an image for the specific width and height?

    - by Brady Chu
    Recently I participated in a web project which has a huge large of images to handle and display on web page, we know that the width and height of images end users uploaded cannot be control easily and then they are hard to display. At first, I attempted to zoom in/out the images to rearch an appropriate presentation, and I made it, but my boss is still not satisfied with my solution, the following is my way: var autoResizeImage = function(maxWidth, maxHeight, objImg) { var img = new Image(); img.src = objImg.src; img.onload = function() { var hRatio; var wRatio; var Ratio = 1; var w = img.width; var h = img.height; wRatio = maxWidth / w; hRatio = maxHeight / h; if (maxWidth == 0 && maxHeight == 0) { Ratio = 1; } else if (maxWidth == 0) { if (hRatio < 1) { Ratio = hRatio; } } else if (maxHeight == 0) { if (wRatio < 1) { Ratio = wRatio; } } else if (wRatio < 1 || hRatio < 1) { Ratio = (wRatio <= hRatio ? wRatio : hRatio); } if (Ratio < 1) { w = w * Ratio; h = h * Ratio; } w = w <= 0 ? 250 : w; h = h <= 0 ? 370 : h; objImg.height = h; objImg.width = w; }; }; This way is only intended to limit the max width and height for the image so that every image in album still has different width and height which are still very urgly. And right at this minute, I know we can create a DIV and use the image as its background image, this way is too complicated and not direct I don't want to take. So I's wondering whether there is a better way to display images with the fixed width and height without presentation distortion? Thanks.

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  • Why click event not work when I click a image at runtime?

    - by jin
    Now I am developing a Firefox extension , and when web page I want to create a image at runtime, now I can show the image , but When I click it to invoke a method , why it is not work? it is my code: var _img = doc.createElement("img"); _img.setAttribute("id", "floatImage"); _img.setAttribute("src", "abc.jpg"); _img.setAttribute("onclick", "clickimage()"); document.body.append(_img); function clickimage() { alert("click"); }

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  • JQUERY UI Dialog Box - Close Function

    - by David Bonnici
    Hi Guys, I have a problem with the jquery-ui dialog box. The problem is that when I close the dialog box and then I click on the link that triggers it, it does not pop-up again unless I refresh the page. How can I call the dialog box back without refreshing the actual page. Have a look: $(document).ready(function() { $('#showTerms').click(function() { $('#terms').css('display','inline'); $('#terms').dialog({resizable: false, modal: true, width: 400, height: 450, overlay: { backgroundColor: "#000", opacity: 0.5 }, buttons:{ "Close": function() { $(this).dialog("close"); } }, close: function(ev, ui) { $(this).remove(); }, }); }); Thanks

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  • How can I get returning data from jquery ajax request?

    - by Oguz
    function isNewUsername(str){ var result; $.post('/api/isnewusername', {username:str}, function(data) { result = data.result; }, "json"); return result; } So , my problem is very simple but I can not figure it out . I want to access result from the isnewusername function . I am very curious about answer because I spent 1 hour on it . Thank you

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  • Difficulty in Understanding Slideshow script

    - by shining star
    I have taken slide show script from net. But There some functions i cannot understand here is script <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd" > <html lang="en"> <head> <title></title> <script> var interval = 1500; var random_display = 0; var imageDir = "my_images/"; var imageNum = 0; imageArray = new Array(); imageArray[imageNum++] = new imageItem(imageDir + "01.jpg"); imageArray[imageNum++] = new imageItem(imageDir + "02.jpg"); imageArray[imageNum++] = new imageItem(imageDir + "03.jpg"); imageArray[imageNum++] = new imageItem(imageDir + "04.jpg"); imageArray[imageNum++] = new imageItem(imageDir + "05.jpg"); var totalImages = imageArray.length; function imageItem(image_location) { this.image_item = new Image(); this.image_item.src = image_location; return this.image_item.src; } function get_ImageItemLocation(imageObj) { return(imageObj.image_item.src) } alert(imageArray[imageNum].image_item.src); function randNum(x, y) { var range = y - x + 1; return Math.floor(Math.random() * range) + x; } function getNextImage() { if (random_display) { imageNum = randNum(0, totalImages-1); } else { imageNum = (imageNum+1) % totalImages; } var new_image = get_ImageItemLocation(imageArray[imageNum]); //alert(new_image) return(new_image); } function getPrevImage() { imageNum = (imageNum-1) % totalImages; var new_image = get_ImageItemLocation(imageArray[imageNum]); return(new_image); } function prevImage(place) { var new_image = getPrevImage(); document[place].src = new_image; } function switchImage(place) { var new_image = getNextImage(); document[place].src = new_image; var recur_call = "switchImage('"+place+"')"; timerID = setTimeout(recur_call, interval); } </script> </head> <body onLoad="switchImage('slideImg')"> <img name="slideImg" src="27.jpg" width=500 height=375 border=0> <a href="#" onClick="switchImage('slideImg')">play slide show</a> <a href="#" onClick="clearTimeout(timerID)"> pause</a> <a href="#" onClick="prevImage('slideImg'); clearTimeout(timerID)"> previous</a> <a href="#" onClick="switchImage('slideImg'); clearTimeout(timerID)">next </a> </body> </html> here exactly i dont know what does acctually function of get_ImageItemLocation(imageObj) and imageItem(image_location) what does these two functions seperately? Thanks in advance for attention

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  • JS Object this.method() breaks via jQuery

    - by Peter Boughton
    I'm sure there's a simple answer to this, but it's Friday afternoon and I'm tired. :( Not sure how to explain it, so I'll just go ahead and post example code... Here is a simple object: var Bob = { Stuff : '' , init : function() { this.Stuff = arguments[0] } , doSomething : function() { console.log( this.Stuff ); } } And here it is being used: $j = jQuery.noConflict(); $j(document).ready( init ); function init() { Bob.init('hello'); Bob.doSomething(); $j('#MyButton').click( Bob.doSomething ); } Everything works, except for the last line. When jQuery calls the doSomething method it is overriding 'this' and stopping it from working. Trying to use just Stuff doesn't work either. So how do I refer to an object's own properties in a way that allows jQuery to call it, and also allows the object to work with the calling jQuery object? i.e. I would like to be able to do things like this: doSomething : function() { console.log( <CurrentObject>.Stuff + $j(<CallerElement>).attr('id') ); } (Where <CurrentObject> and <CallerElement> are replaced with appropriate names.)

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  • Jquery table cell

    - by Parhs
    Hello...This code produces a mess... What am i doing wrong??? cell=$("<td>"); if(normal.exam_type=="Exam_Boolean") { var input=cell.append("<input>").last(); input.attr("type","hidden"); input.attr("name","exam.exam_Normal['" +normal_id_unique + "'].boolean_v"); input.attr("value",normal.normal_boolean);

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  • I have lots of images on a html page - how can i make certain ones load first (or certain ones load

    - by imlostmike
    Hi, i have a page with the main content area being big thumbnails, but elsewhere on the page are about 100-200 other (smaller) thumbs that are not important but must still show. What ways do i have to make the main ones show first (or the unimportant ones show last)? I was thinking of these ways: JS load: on page load (once it has finished loading), use a jquery's append() (or whatever other way) to write the html with the image code Set all unimportant images inside a div with style="display:none;". Then once the page has loaded, use JS to set it as visible what do you think is the best way?

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  • DOM memory issue with IE8 (inserting lots of JSON data)

    - by okie.floyd
    i am developing a small web-utility that displays some data from some database tables. i have the utility running fine on FF, Safari, Chrome..., but the memory management on IE8 is horrendous. the largest JSON request I do will return information to create around 5,000 or so rows in a table within the browser (3 columns in the table). i'm using jquery to get the data (via getJSON). to remove the old/existing table, i'm just doing a $('#my_table_tbody').empty(). to add the new info to the table, within the getJSON callback, i am just appending each table row that i am creating to a variable, and then once i have them all, i am using $('#my_table_tbody').append(myVar) to add it to the existing tbody. i don't add the table rows as they are created because that seems to be a lot slower than just adding them all at once. does anyone have any recommendation on what someone should do who is trying to add thousands of rows of data to the DOM? i would like to stay away from pagination, but i'm wondering if i don't have a choice. Update 1 So here is the code I was trying after the innerHTML suggestion: /* Assuming a div called 'main_area' holds the table */ document.getElementById('main_area').innerHTML = ''; $.getJSON("my_server", {my: JSON, args: are, in: here}, function(j) { var mylength = j.length; var k =0; var tmpText = ''; tmpText += /* Add the table, thead stuff, and tbody tags here */; for (k = mylength - 1; k = 0; k--) { /* stack overflow wont let me type greater than & less than signs here, so just assume that they are there. */ tmpText += 'tr class="' + j[k].row_class . '" td class="col1_class" ' + j[k].col1 + ' /td td class="col2_class" ' + j[k].col2 + ' /td td class="col3_class" ' + j[k].col3 + ' /td /tr'; } document.getElementById('main_area').innerHTML = tmpText; } That is the gist of it. I've also tried using just a $.get request, and having the server send the formatted HTML, and just setting that in the innerHTML (i.e. document.getElementById('main_area').innerHTML = j;). thanks for all of the replies. i'm floored with the fact that you all are willing to help.

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  • Jquery - intercept links created by ajax request

    - by Kaskade
    Hi, I have some jquery code that intercepts links clicked on a page : $(document).ready(function() { $("a").click(function() { //do something here }); }); My problem is there are certain parts of the page that have not finished loading on document ready. They are populated via ajax calls. The links in these sections are not intercepted by my jQuery function above. I need the function to be run on document ready initially but then I need the new links to also have the same logic applied to them. Any help would be very much appreciated. This is an area that I am very unfamiliar with. I have written the jQuery stuff but the ajax code is an external component that I have no control over. Thanks in advance

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  • Coloring text with css using jQuery

    - by ArtWorkAD
    Hi, I have a little problem adding a class to a span element and so coloring it in order to perform simple validation. Here is my js: function validateKey(){ var length = $('#appkey').val().length; if(length != 8){ $('#appkey').addClass('error'); $('#appKeyInfo').addClass('error'); return false; }else{ $('#appkey').removeClass('error'); $('#appKeyInfo').removeClass('error'); return true; } } And html: <label>KEY</label></br> <input type="text" id="appkey" value=""/></br> <span id="appKeyInfo">Dein App-Key aus 8 Ziffern</span> And the jsfiddle: example Any ideas? UPDATE: coloring of appKeyInfo fails, coloring appkey works. When I remove color:red and type font-weight:bold instead the text is bold on error. when I remove color definition of appKeyInfo the text can be colored red on error, strange thing, but I need a font color for the appKeyInfo

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  • Scroll to anchor

    - by ZyX
    I have the following userjs which is intended to remove anchor part of the URL but still jump to it: // ==UserScript== // @name PurgeAnchor // @include * // ==/UserScript== (function() { var reg=/^(.*)\#(.*)$/; var match=reg.exec(location); function ObjectPosition(obj) { var curtop = 0; if(obj.offsetParent) while(1) { curtop += obj.offsetTop; if(!obj.offsetParent) break; obj = obj.offsetParent; } else if(obj.y) curtop += obj.y; return curtop; } if(match) { document.location.replace(match[1]); sessionStorage.setItem("anchor", match[2]); } window.addEventListener("load", (function() { var anchor=sessionStorage.getItem("anchor"); if(anchor!==null) { var obj=document.getElementById(anchor); if(obj===null) { obj=document.getElementsByName(anchor)[0]; } var pos=0; if(obj!==null) { pos=ObjectPosition(obj); window.scrollTo(0, pos); } sessionStorage.removeItem("anchor"); } }), false); })() The problem is that if I have an empty <a> tag with the name set, it fails to jump. obj.scrollIntoView() also fails. Opera-10.52_pre6306, Gentoo.

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  • How can give validation on custom registration form in drupal?

    - by Nitz
    Hey Friends, I have created custom registration form in drupal 6. i have used changed the behavior of the drupal registration page by adding this code in themes. template file function earthen_theme($existing, $type, $theme, $path) { return array( // tell Drupal what template to use for the user register form 'user_register' => array( 'arguments' => array('form' => NULL), 'template' => 'user_register', // this is the name of the template ), ); } and my user_register.tpl.php file is looking like this... //php tag starts from here $forms['access'] = array( '#type' = 'fieldset', '#title' = t('Access log settings'), ); $form['my_text_field']=array( '#type' = 'textfield', '#default_value' = $node-title, '#size' = 30, '#maxlength' = 50, '#required' = TRUE ); <div id="registration_form"><br> <div class="field"> <?php print drupal_render($form['my_text_field']); // prints the username field ?> </div> <div class="field"> <?php print drupal_render($form['account']['name']); // prints the username field ?> </div> <div class="field"> <?php print drupal_render($form['account']['pass']); // print the password field ?> </div> <div class="field"> <?php print drupal_render($form['account']['email']); // print the password field ?> </div> <div class="field"> <?php print drupal_render($form['submit']); // print the submit button ?> </div> </div> How to make validation on "my_text_field" which is custmized. and exactly i want that as soon as user click on my_text_field then datetime picker should be open and whichever date user select, that date should be value in my_text_field. so guys help. Thanks in advance, nitish Panchjanya Corporation

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  • How to customize /#/ in Jquery address plugin

    - by Lauren
    Hi, I'm using the Jquery plugin Address to achieve deep linking. The generated urls come out in the format www.example.com/#/tab/image, but what I need is www.example.com/#tab/image. The plugin seems to automatically generate the /#/ part. I wonder does anyone know how to do this? Or even if it's possible? I would greatly appreciate any help. Thanks in advance

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