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  • Refactor: Javascript block

    - by Shpigford
    Need some help refactoring this code: $("span[rel=color_content]").ColorPicker({ onChange: function (hsb, hex, rg) { $("span[rel=color_content]").css('background-color', '#' + hex); } }); $("span[rel=color_link]").ColorPicker({ onChange: function (hsb, hex, rg) { $("span[rel=color_link]").css('background-color', '#' + hex); } }); $("span[rel=color_selected]").ColorPicker({ onChange: function (hsb, hex, rg) { $("span[rel=color_selected]").css('background-color', '#' + hex); } }); $("span[rel=color_page]").ColorPicker({ onChange: function (hsb, hex, rg) { $("span[rel=color_page]").css('background-color', '#' + hex); } }); $("span[rel=color_player]").ColorPicker({ onChange: function (hsb, hex, rg) { $("span[rel=color_player]").css('background-color', '#' + hex); } }); The only thing changing between each is the contents of the rel attribute.

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  • Listing known CSS classes using Javascript

    - by Fred Oliveira
    I'm trying to find a good way to collect the names of classes defined in the stylesheets included with a given document. I know about document.StyleSheetList but it doesn't seem like it'd be easy to parse. What I'm looking for is something like, for a stylesheet document such as: .my_class { background: #fff000; } .second_class { color: #000000; } I could extract an array like ["my_class", "second_class"]. This obviously assumes the favorable scenario of a fully loaded dom and stylesheets. I've been looking everywhere for a good way to do something like this and so far, have made little progress. Does anyone have any idea about how to pull this off? Thanks!

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  • JavaScript (jQuery) Regular Expression for searching through an array

    - by CoryDorning
    First and foremost, I do not know RegEx but am trying to piece something together to make this work. Just wanted you to be forewarned. ;) Anyways, I'm trying to create a regular expression to take a word from an array and see if it matches a word in another array. I only want the search to return true if the keyword array string contains the searchTerm word. (i.e. oneone would be false, so would ones). Any help is GREATLY appreciated. var searchTerm = ['one','two','three']; var keywords = ['String which contains one', 'This string is 2', 'Three is here']; var keywordIndex; // loop through each keyword array $.each(keywords, function(i) { $.each(searchTerm, function(j) { var rSearchTerm = new RegExp('\b' + searchTerm[j] + '\b',i); // if search term is found, swap accordion div content if (keywords[i].search(rSearchTerm) > -1) { keywordIndex = i; // grouping keyword is in } }); // end searchTerm loop }); // end keyword loop

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  • How, with javascript, can i read Childnode content on an XML file that contains html tags

    - by Joe
    to read a child node content i use : MYDATA = xhr.responseXML.getElementsByTagName("MenuItem") [INDEX].getElementsByTagName("PageContent")[0].childNodes[0].nodeValue; sometimes when the childnode data contains an HTML tag (eg b or br tags, because they have the <), i have problems since they are counted like xml tags (like childnodes). my question is how to get the entire data from a child node even if it contains other html tags exp : MenuItem MenuText menu b text b MenuText MenuItem would return "menu" !!! but i want it to return :"menu text" thank you guys, and happy new year

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  • How to access a variable outside a function in Javascript

    - by Luke101
    Here is the code I am working with: $(document).ready(function () { var TemplateEditor = function () { var GroupClassName = 'group'; var SelectedGroup = 0; var BindClicks = function () { $('.CriteriaSelections').unbind('click').click(function (event) { event.preventDefault(); if (fnIsTheClickedBoxaGroup($(this))) { TemplateEditor.GroupClicked(); } else { TemplateEditor.CriteriaClicked($(this), SelectedGroup); } }); $('.groupselected').unbind('click').click(function (event) { event.preventDefault(); SelectedGroup = $(this).attr('group-'.length); TemplateEditor.SelectGroup(SelectedGroup); }); } var fnGetGroupID = function (Obj) { if (fnIsTheClickedBoxaGroup(Obj) == true) { return null; } else { //Get parent which is the group var ObjParent = Obj.parent(); var GID = ObjParent.attr('id').substr('group-'.length); return GID; } } var fnIsTheClickedBoxaGroup = function (Obj) { var GetClass = Obj.attr('class'); if (GetClass == GroupClassName) { return true; } else { return false; } } return { Init: function () { BindClicks(); }, CriteriaClicked: function (Obj, GroupID) { $('<div>').attr({ id: '' }).addClass('selection').text(Obj).appendTo('#group-' + GroupID); }, GroupClicked: function () { }, SelectGroupClicked: function () { }, UpdateTargetPanel: function () { } }; } (); TemplateEditor.Init(); }); I am trying to access this variable: GroupClassName This variable is inside this function var fnIsTheClickedBoxaGroup = function (Obj) { var GetClass = Obj.attr('class'); if (GetClass == GroupClassName) { return true; } else { return false; } } When I run the program it says GroupClassName is undefined. Am I missing something here?

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  • How to save text to a div using JavaScript onmouseout

    - by Adam
    Good morning all. I have a div that I'm able to save text to when I click a save button but what I would like is if the text would just automatically save on an onmouseout event. For example: I have a div and two buttons (Save and Cancel). The user is currently able to mouse over the current text data inside the div, click on the text and they can then edit said text. The only way they can save this text is by clicking the save button. Is there a way to use onmouseout to save the text so that the user simply has to click and edit the text, then click away and have it saved? Thanks!

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  • Execute dynamic function with param in javascript

    - by Valamas
    if the following possible? I wish to move the alert(result) into a function and to dynamically call it. Current $.ajax(this.href, { success: function (result) { alert(result); AjaxComplete(); } }); My Attempt - not working $.ajax(this.href, { success: function (result) { window["MyAlert(result)"](); AjaxComplete(); } }); function MyAlert(result) { alert(result); } Is this possible?

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  • Implementing zoom on a fixed point, javascript/canvas

    - by csiz
    I want to implement zooming on the mouse pointer with the mouse wheel. That is scaling the image while the point under the mouse pointer stays fixed. Here is my code, which doesn't work very well var scala = 1 + event.wheelDelta / 1000; canvas.context.translate(-canvas.mouse.x * ( scala - 1 ) / canvas.scale,-canvas.mouse.y * ( scala - 1 ) / canvas.scale); canvas.context.scale(scala,scala); canvas.scale *= scala; //canvas.scale is my variable that is initially set to 1. //canvas.mouse is my variable that represents the mouse position relative to the canvas

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  • Javascript Iterator Class

    - by Alsciende
    Do you know a js library that implements a generic Iterator class for collections (be it Arrays or some abstract Enumerable) with a full set of features, like the Google Common or the Apache Commons?

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  • Clearing a form field when page goes back (html / javascript)

    - by DomingoSL
    Do you know when you use in a form the password field, like this: <input type="password" name="pass"> And you do a GET or POST submit to the same page who have the form and if the user hit back in the browser the password field gets blank. Well thats good, but i need to get blank another form field when the user hit back. Thats because i asking for a captcha and the text field who hold the information entered by the user ramain fill when he hit back, but the captcha image change, and if i dont blank the field the user (sometimes) dont get that he needs to re-enter the captcha. Thanks!

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  • iframe problem using javascript

    - by Arjun Singh
    Does anyone know how to get the HTML out of an IFRAME? I have tried several different ways: document.getElementById('iframe01').contentDocument.body.innerHTML, document.frames['iframe01'].document.body.innerHTML, document.getElementById('iframe01').contentWindow.document.body.innerHTML, etc but none of them worked. I believe the reason they're not working is that the content of my iframe doesn't have a body tag (I'm loading XML). Any other way to get all the contents of the iframe? I am open to jQuery too. This: document.getElementById('iframe01').contentWindow.document.body.innerHTML works fine in the IE, but this: document.getElementById('iframe01').contentDocument.body.innerHTML does not work for FF.

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  • Resizing iframe height using javascript issue

    - by Camran
    I have an iframe which content is a php-file, and that php-file displays some mysql records. The more records, the larger the iframe height should get, otherwise it wont show all of the information in the iframe. Here is a code I have for dynamically setting the iframe height, from the iframes content (the php file): var x = document.body.scrollHeight; x = x + 20 + 'px'; window.parent.document.getElementById("iframe001").style.height=x; iframe001 is the iframe I am referring to above. I am adding 20px of height extra because of borders etc... Now, sometimes this resizing works, sometimes it doesn't. Does anybody know why it works sometimes. If I alert the 'x' variable, it shows different values sometimes, but most times it works. Any other ways you know of setting the iframes height from the content of the iframe? Thanks

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  • Javascript text Resize

    - by blackessej
    Without getting into the "should a text resizer be used or not" debate, I'd like some help with this...suffice to say that my clientele are from and older generation and may be sight impaired... My script isn't functioning, and I'm not sure why. It's not live yet, so here's what I'm working with: function fsize(size,unit,id){ var vfontsize = document.getElementById("#colleft"); if(vfontsize){ vfontsize.style.fontSize = size + unit; } } var textsize = 14; function changetextsize(up){ if(up){ textsize = parseFloat(textsize)+2; }else{ textsize = parseFloat(textsize)-2; } } I'm using onclick events to trigger the size changes. Thanks for your help!

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  • having problems with javascript null

    - by user165242
    I have tried rectifying the code below. But I am not able to find a solution. After executing the code, firebug says "document.getElementById(haystack.value) is null". I tried if(document.getElementById(haystack).value ==null) but it was of no use. Please help me out. var haystack=document.getElementById('city1').value; if(!document.getElementById(haystack).value) { alert("null"); } else { alert("not null"); }

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  • Javascript access object variables from functions

    - by Parhs
    function init_exam_chooser(id,mode) { this.id=id; this.table=$("#" + this.id); this.htmlRowOrder="<tr>" + $("#" + this.id + " tbody tr:eq(0)").html() + "</tr>"; this.htmlRowNew="<tr>" + $("#" + this.id + " tbody tr:eq(1)").html() + "</tr>"; $("#" + this.id + " tbody tr").remove(); //Arxikopoiisi var rowNew=$(this.htmlRowNew); rowNew.find("input[type='text']").eq(0).autocomplete({ source: function (req,resp) { $.ajax({ url: "/medilab/prototypes/exams/searchQuick", cache: false, dataType: "json", data:{codeName:req.term}, success: function(data) { resp(data); } }); }, focus: function(event,ui) { return false; }, minLength :2 }); rowNew.find("input[type='text']").eq(1).autocomplete({ source: function (req,resp) { $.ajax({ url: "/medilab/prototypes/exams/searchQuick", cache: false, dataType: "json", data:{name:req.term}, success: function(data) { resp(data); } }); }, focus: function(event,ui) { return false; }, minLength :2 }); rowNew.find("input[type='text']").bind( "autocompleteselect", function(event, ui) { alert(htmlRowOrder); var row=$(htmlRowOrder); $(table).find("tbody tr:last").before(row); alert(ui.item.id); }); rowNew.appendTo($(this.table).find("tbody")); //this.htmlRowNew } The problem is at ,how i can access htmlRowOrder? I tried this.htmlRowOrder and didnt work.... Any ideas?? rowNew.find("input[type='text']").bind( "autocompleteselect", function(event, ui) { alert(htmlRowOrder); var row=$(htmlRowOrder); $(table).find("tbody tr:last").before(row); alert(ui.item.id); });

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  • How to escape regular expression in javascript ?

    - by Relax
    My codes is like pattern = 'arrayname[1]'; // fetch from dom, make literal here just for example reg = new RegExp(RegExp.quote(pattern), 'g'); mystring.replace(reg, 'arrayname[2]'); But it just cannot get running with error message says: "RegExp.quote is not a function", am i missing something simple?

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  • javascript "associative" array access

    - by cp
    Hello I have a simple simulated aarray with two elements: bowl["fruit"]="apple"; bowl["nuts"]="brazilian"; I can access the value with an event like this: onclick="testButton00_('fruit')">with `testButton00_` function testButton00_(key){ var t = bowl[key]; alert("testButton00_: value = "+t); } However whenever I try to access the aarray from within code with a key that is just a non-explicit string I get undefined. Do I have somehow have to pass the parameter with the escaped 'key'. Any ideas? tia.

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  • I try to hook a character from javascript keydown event

    - by user523978
    I would like to hook a character typed in an input text field and type '1' in the field in case 'a' was pressed. Here is the code: <html> function translate_code(charCode) { switch (charCode) { case 65: // return '1' ; case 97: return '9'; } } function noEnglish(event) { if (event.charCode) { var charCode = event.charCode; } else { var charCode = event.keyCode; } if (65

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  • Instantiate a javascript module only one time.

    - by Cedric Dugas
    Hey guys, I follow a module pattern where I instantiate components, however, a lot of time a component will only be instantiate one time (example: a comment system for an article). For now I instantiate in the same JS file. but I was wondering if it is the wrong approach? It kind of make no sense to instantiate in the same file and always only once. But at the same time, if this file is in the page I want to have access to my module without instantiate from elsewhere, and IF I need another instance, I just create another from elsewhere... Here is the pattern I follow: ApplicationNamespace.Classname = function() { // constructor function privateFunctionInit() { // private } this.privilegedFunction = function() { // privileged privateFunction(); }; privateFunctionInit() }; ApplicationNamespace.Classname.prototype = { Method: function(){} } var class = new ApplicationNamespace.Classname(); What do you think, wrong approach, or is this good?

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  • javascript location.hash refreshing in IE

    - by aepheus
    I need to modify the hash, remove it after certain processing takes place so that if the user refreshes they do not cause the process to run again. This works fine in FF, but it seems that IE is reloading every time I try to change the hash. I think it is related to other things that are loading on the page, though I am not certain. I have an iframe that loads (related to the process) as well as some scripts that are still being fetched in the parent window. I can't seem to figure out a good way to change the hash after all the loading completes. And, at the same time am not even positive that it is related to the loading. Any ideas on how to solve this?

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