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  • How do I clear the text contents of a div in javascript?

    - by Ben
    I'm temporarily adding contents to a div,tempDiv, and adding that to a link which is appended to a div, #contentHere, that's displayed. I need to clear the contents of tempDiv so that the links aren't appended to each other, creating a string of urls that don't link to anywhere. $(document).ready(function(){ $.getJSON("data.php", function(data){ for(i = 0; i < 5; i++){ $("#tempDiv").append(data.justIn[i].dataLink+ ' '); $("#contentHere").append("<a href=\"#tempDiv\">Click to go to the div link</a>"); //I need to clear the contents of tempDiv here } }); }); Solutions to clearing the temporary contents of the div as I go?

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  • Is there a way to set a handler function for when a set of events has happened in JavaScript?

    - by allyourcode
    eg I have two concurrent AJAX requests, and I need the result from both to compute a third result. I'm using the Prototype library, so it might look something like this: var r1 = new Ajax.Request(url1, ...); var r2 = new Ajax.Request(url2, ...); function on_both_requests_complete(resp1, resp2) { ... } One way would be to use polling, but I'm thinking there must be a better way.

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  • How to pass a reference to a string in JavaScript?

    - by ijjo
    Maybe a closure is my solution? Not exactly sure how to pull it off though. The code is set up like so: var globalVar = ''; var globalVar2 = ''; function func() { if (condition) func2(globalVar) else func2(globalVar2) } In func2() I cache some HTML in a main container into the appropriate global variable that I pass to it. Basically I have a main container that holds different pages depending on what tab they choose. For performance I want to cache the page into global vars so I need to know what tab is active to figure out which global var to assign the HTML to.

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  • What is the purpose of this string argument in a JavaScript function?

    - by Adel
    In the following function, there is the line: var username=getCookie("username"); Here's the whole function: function checkCookie() { var username=getCookie("username"); if (username!=null && username!="") { alert("Welcome again " + username); } else { username=prompt("Please enter your name:",""); if (username!=null && username!="") { setCookie("username",username,365); } } What is the point of the "username" argument being passed above? function getCookie(c_name) { var i,x,y,ARRcookies=document.cookie.split(";"); for (i=0;i<ARRcookies.length;i++) { x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("=")); y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1); x=x.replace(/^\s+|\s+$/g,""); if (x==c_name) { return unescape(y); } } } The whole code is here Thanks!

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  • This javascript works in every browser EXCEPT for internet explorer!

    - by user309641
    The webpage is here: http://develop.macmee.com/testdev/ I'm talking about when you click the ? on the left, it is supposed to open up a box with more content in it. It does that in every browser except IE! function question() { $('.rulesMiddle').load('faq.php?faq=rules_main',function(){//load page into .rulesMiddle var rulesa = document.getElementById('rulesMiddle').innerHTML; var rules = rulesa.split('<div class="blockbody">');//split to chop off the top above rules var rulesT = rules[1].split('<form class="block');//split to chop off below rules rulesT[0] = rulesT[0].replace('class=','vbclass');//get rid of those nasty vbulletin defined classes document.getElementById('rulesMiddle').innerHTML = rulesT[0];//readd the content back into the DIV $('.rulesMain').slideToggle();//display the DIV $('.rulesMain').center();//center DIV $('.rulesMain').css('top','20px');//align with top }); }

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  • How to add a cross-browser mouse wheel function to a div in javascript?

    - by Shaunwithanau
    I am trying to stop the default mouse wheel event that is called on the window and on a div and call my own function instead on the div. I need this to be cross-browser (without the use of a library. I know I need to use an eventListener and I think have to use both onmousewheel and DOMMouseScroll (for FF) but I think am getting caught up in the implementation somewhere. I appreciate any and all help.

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  • Is it okay to rely on javascript for menu layout?

    - by Ryan
    I have a website template where I do not know the number of menu items or the size of the menu items that will be required. The js below works exactly the way I want it to, however this is the most js I've every written. Are there any disadvantages or potential problems with this method that I'm not aware of because I'm a js beginner? I'm currently manually setting the padding for each site. Thank you! var width_of_text = 0; var number_of_li = 0; // measure the width of each <li> and add it to the total with, increment li counter $('li').each(function() { width_of_text += $(this).width(); number_of_li++; }); // calculate the space between <li>'s so the space is equal var padding = Math.floor((900 - width_of_text)/(number_of_li - 1)); // add the padding the all but the first <li> $('li').each(function(index) { if (index !== 0) { $(this).css("padding-left", padding); } });

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  • HTML/Javascript: Is it possible to remember the filename from a fileupload field ONLY and then later

    - by Pieter Breed
    I have a HTML file upload field from which I'm reading the file name of the file that the user specifies. The actual contents of the file is never uploaded. At a later stage, is it possible to construct a link using this file name information so that if the user clicks on this link, the original file is launched into a new browser window? If not, what are the reason for disallowing this behaviour? The purpose of such a feature is to store links to documents that are available on a mapped local drive or a network share.

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  • When (and why) is {} undefined in a JavaScript console?

    - by JS_Riddler
    In the console of both FF and Chrome, {} is considered undefined until explicitly evaluated: {}; // undefined ({}); // ? Object Actually, it's a bit less defined than undefined -- it's apparently bad syntax: {} === undefined; // SyntaxError: Unexpected token === {}.constructor; // SyntaxError: Unexpected token . But not if it's on the other side, in which case it's fine: "[object Object]" == {}.toString(); // true Or if it's not the first expression: undefined + undefined; // NaN {} + undefined; // NaN undefined + {}; // "undefined[object Object]" What gives?

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  • Can CoffeeScript Be Translated into This Piece of JavaScript?

    - by tangrui
    function abc() { var a = 1; var func = function() { var a = 2; } func(); alert(a); } Pay attention to the var, in the piece of code, the result of a will be 1, but if the var is omitted, the result will be 2, but I found Coffee not able to translate to this. For example the following: abc = -> a = 1 func = -> a = 2 return func() alert(a) return

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  • How can I call a COM component using JavaScript in Mozilla?

    - by kumar
    I am calling a COM component in IE. Here is the code <object align="left" classid="CLSID:22D6F312-B0F6-11D0-94AB-0080C74C7E95" id="Winvideo-Silverlight2RTW-Hypervideo-Part1-WMVa.wmv"> <param name="FileName" value="Winvideo-Silverlight2RTW-Hypervideo-Part1-WMVa.wmv"> <param name="AutoRewind" value="true"> <param name="AutoStart" value="false"> <param name="ClickToPlay" value="true"> <param name="Mute" value="false"> <param name="ShowControls" value="true"> <param name="ShowDisplay" value="true"> <param name="ShowTracker" value="true"> <param name="PlayCount" value="1"> </object> It is working fine in IE, but not in Mozilla Firefox.

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  • Javascript match part of url, if statement based on result.

    - by nick
    Here is an example of the url i'm trying to match: http://store.mywebsite.com/folder-1/folder-2/item3423434.aspx What im trying to match is http: //store.mywebsite.com/folder-1 except that "folder-1" will always be a different value. I can't figure out how to write an if statement for this: Example (pseudo-code) if(url contains http://store.mywebsite.com/folder-1) do this else if (url contains http://store.mywebsite.com/folder-2) do something else etc

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  • Javascript looping only through defined properties of array. How?

    - by Beck
    For example if i'm keeping array of references via id like that: if(typeof channel_boards[misc.channel_id] == 'undefined') { channel_boards[misc.channel_id] = $('<div class="channel" channel_id="'+misc.channel_id+'"></div>').appendTo('#board'); } And then i'm looping through array to find required reference. I'm looping through undefined properties as well. Is it possible to loop only through defined properties? for(i=0;i<channel_boards.length;i++) { if(channel_boards[i] != undefined) { if(channel_boards[i].attr('channel_id') != visible) {channel_boards[i].addClass('hidden_board');} else {channel_boards[i].removeClass('hidden_board');} } } Maybe i should change the way i'm storing references? Via object for example, but how i'll be able to find proper reference via id number.

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  • Javascript E4X - Return the text of node and its children?

    - by Chris
    I'm trying to parse some of html where there is are repeating lines of code such as: <a>This is <span>some text</span> but its <span>not grabbing the span</span> content</a> So I am looping through the object and extracting this: object.a[i].text(); but its only returning "This is but its content" How do I grab the text within the children nodes as well, all as one string? Cheers

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  • How do i make a copy of an object? Javascript

    - by acidzombie24
    I have a class in json format. I would like to make two instance. Right now (its pretty obvious why) when i 'make' two objects i really have 2 vars pointing to one. (b.blah = 'z' will make a.blah=='z') How do i make a copy of an object? var template = { blah: 0, init: function (storageObj) { blah = storageObj; return this; //problem here }, func2: function (tagElement) { }, } a = template.init($('form [name=data]').eq(0)); b = template.init($('form [name=data2]').eq(0));

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  • JavaScript Drag and Drop Grid With Elements of Different Sizes.

    - by Paul67
    I need to be able to drag and drop boxes of differing dimensions on the same grid. JQuery UI seems to offer 80% of what I'm after particularly the sortable grid the have on their demo page. The only problem is that this grid only works with boxes of identical dimensions. My requirement is to be able to have the same functionality but with boxes that are sized as multiples of the base unit. For example - let's say the standard box size is 300x300px I would also like the opportunity to show on the same grid a 300x600px and a 600x600px box. There's no requirement to display boxes that are not multiples of the dimensions of the smallest box size.

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  • Javascript: Taking the highest 2 numerical values out of a series of 4 possible values.

    - by Bodhi
    What I'm trying to do is to take the highest two values out of 4 possible variables and add them together, while ignoring the lesser two values. My values will be anywhere between 1 and 5. So, for example, if I have Trait1, Trait2, Trait3 and Trait4 with the following assigned values: 3, 3, 2, 1, the script will pick up the 3 and the 3, but not the 2 and the 1. If I change the values around so that I have 4, 3, 1, 5, the script will pick up the 4 and the 5, but not the 3 and the 1. How would I go about doing this? Thank you in advance.

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  • I want to create a simple function to reset all input values without target input. (Javascript, Jque

    - by question_about_the_problem
    Hi, I want to create a simple function to reset all input values without target input. I don't know how i can do it. Thanks. Here is my sample codes: <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script> <script> function reset_other_inputs(room) { $("input[name^='check_in_date_']").each(function () { if ( $("input[name!='check_in_date_'+room]") ) { this.val(""); } }); $("input[name^='check_out_date_']").each(function () { if ( $("input[name!='check_out_date_'+room]") ) { this.val(""); } }); } </script> <input type="text" name="check_in_date_single" value="single" onClick="reset_other_inputs('single');"> <input type="text" name="check_out_date_single" value="single" onClick="reset_other_inputs('single');"> <input type="text" name="check_in_date_double" value="double" onClick="reset_other_inputs('double');"> <input type="text" name="check_out_date_double" value="double" onClick="reset_other_inputs('double');"> <input type="text" name="check_in_date_triple" value="triple" onClick="reset_other_inputs('triple');"> <input type="text" name="check_out_date_triple" value="triple" onClick="reset_other_inputs('triple');"> <input type="text" name="check_in_date_suite" value="suite" onClick="reset_other_inputs('suite');"> <input type="text" name="check_out_date_suite" value="suite" onClick="reset_other_inputs('suite');">

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  • [jquery/javascript] How select all checkboxes with class "xxx" ?

    - by marc
    Welcome, It it possible to select all checkboxes / uncheck all checkboxes what have class "xxx" ? I can't use "name" and "ID" because there are generated dynamical via PHP and i don't know their name. So maybye i can add class "xxx" for these what i wan't control ? Is is possible ? Or, if not possible. Maybye i can select all / unselect what are inside table with id "selectall" ? Regards

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