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  • Determining when scrolled to bottom of a page with Javascript

    - by chimerical
    I'm trying to determine when I've scrolled to the bottom of the page (without using any JS library), but so far, I'm a bit confused over which one of the following to use. The most promising one I've seen is window.scrollY, but even when scrolled to the bottom of the page, it never matches the value of window.innerHeight. What's the best way to do this? window.innerWidth window.innerHeight window.outerWidth window.outerHeight window.scrollX window.scrollY document.body.scrollWidth document.body.scrollHeight document.body.scrollTop document.body.scrollLeft document.body.offsetTop document.body.offsetLeft document.body.offsetWidth document.body.offsetHeight

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  • javascript div positioning

    - by sam
    hello folks., please suggest me a solution.. i am using this script to display an image as popup on mouseover.. the difficulty i am facing is that it is not positioning well in different monitor.. it must be something to do with pixcel.. function LargeImage(obj,e) { var imgbtn=document.getElementById('<%=imgbtn1.ClientID%'); imgbtn.src=obj; document.getElementById('imgbox').style.visibility="visible"; document.getElementById('imgbox').style.position="absolute"; document.getElementById('imgbox').style.left=e.clientX-150 + "px"; document.getElementById('imgbox').style.top=225 +"px"; //225 +"px"; } thank you

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  • Compare only date javascript

    - by moleculezz
    Hi all, I can't seem to figure out what is wrong with my code. Maybe it would be simpler to just compare date and not time. Not sure how to do this either and I searched but couldn't find my exact problem. BTW, when I display the two dates in an alert, they show as exactly the same. My code: window.addEvent('domready', function() { var now = new Date(); var input = $('datum').getValue(); var dateArray = input.split('/'); var userMonth = parseInt(dateArray[1])-1; var userDate = new Date(); userDate.setFullYear(dateArray[2], userMonth, dateArray[0], now.getHours(), now.getMinutes(), now.getSeconds(), now.getMilliseconds()); if(userDate > now) { alert(now+'\n'+userDate); } }); Perhaps there is a simpler way to compare dates and not including the time. Hope someone has an answer... Thanks!

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  • How to update document object value in loop (Javascript)

    - by Graham
    Hi folks i am a beginer to Java script so appologies if this is a dumb question. I am trying to put the following in a for loop but I can't seem to get it to work. if (rowID==1) { document.form1.class_titleDis_1.value=class_title; } if (rowID==2) { document.form1.class_titleDis_2.value=class_title; } This is what I tried var i=1; for (i=1;i<=2;i++) { document.form1.(class_titleDis_)+i.value=class_title; } I would be really grateful for any suggestions. Graham

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  • Javascript: Whitespace Characters being Removed in Chrome (but not Firefox)

    - by Matrym
    Why would the below eliminate the whitespace around matched keyword text when replacing it with an anchor link? Note, this error only occurs in Chrome, and not firefox. For complete context, the file is located at: http://seox.org/lbp/lb-core.js To view the code in action (no errors found yet), the demo page is at http://seox.org/test.html. Copy/Pasting the first paragraph into a rich text editor (ie: dreamweaver, or gmail with rich text editor turned on) will reveal the problem, with words bunched together. Pasting it into a plain text editor will not. // Find page text (not in links) -> doxdesk.com function findPlainTextExceptInLinks(element, substring, callback) { for (var childi= element.childNodes.length; childi-->0;) { var child= element.childNodes[childi]; if (child.nodeType===1) { if (child.tagName.toLowerCase()!=='a') findPlainTextExceptInLinks(child, substring, callback); } else if (child.nodeType===3) { var index= child.data.length; while (true) { index= child.data.lastIndexOf(substring, index); if (index===-1 || limit.indexOf(substring.toLowerCase()) !== -1) break; // don't match an alphanumeric char var dontMatch =/\w/; if(child.nodeValue.charAt(index - 1).match(dontMatch) || child.nodeValue.charAt(index+keyword.length).match(dontMatch)) break; // alert(child.nodeValue.charAt(index+keyword.length + 1)); callback.call(window, child, index) } } } } // Linkup function, call with various type cases (below) function linkup(node, index) { node.splitText(index+keyword.length); var a= document.createElement('a'); a.href= linkUrl; a.appendChild(node.splitText(index)); node.parentNode.insertBefore(a, node.nextSibling); limit.push(keyword.toLowerCase()); // Add the keyword to memory urlMemory.push(linkUrl); // Add the url to memory } // lower case (already applied) findPlainTextExceptInLinks(lbp.vrs.holder, keyword, linkup); Thanks in advance for your help. I'm nearly ready to launch the script, and will gladly comment in kudos to you for your assistance.

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  • JavaScript problems in one IIS server but not another

    - by DanyW
    Hi everyone, I have a problem that only occurs in one environment. On this particular page, somewhere in the top half of the element, an array is created and populated. This is later used in the onfocus event handlers of various controls. I use Firebug to debug the page and discovered the problem. In our dev environment the array is indeed created and populated. In our staging environment this block of script is not executed! I put a break point where the array is instantiated and it's never hit in staging, but is hit in dev. I'm really puzzled what aspects of the two environments can possibly affect this? We use aptimize on the staging box but it has been turned off for this particular website. I compared the page sources and they're identical! The only difference is bits of content since they are served by a CMS. Any ideas please? I'm quite stuck on this. Cheers, Dany.

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  • Using a Javascript Variable & Sending to JSON

    - by D Franks
    Hello all! I'm trying to take a URL's hash value, send it through a function, turn that value into an object, but ultimately send the value to JSON. I have the following setup: function content(cur){ var mycur = $H(cur); var pars = "p="+mycur.toJSON(); new Ajax.Updater('my_box', 'test.php', { parameters: pars }); } function update(){ if(window.location.hash.length > 0){ content(window.location.hash.substr(1)); // Everything after the '#' } } var curHashVal = window.location.hash; window.onload = function(){ setInterval(function(){ if(curHashVal != window.location.hash){ update(); curHashVal = window.location.hash; } },1); } But for some reason, I can't seem to get the right JSON output. It will either return as a very large object (1:"{",2:"k") or not return at all. I doubt that it is impossible to accomplish, but I've exhausted most of the ways I can think of. Other ways I've tried were "{" + cur + "}" as well as cur.toObject(), however, none seemed to get the job done. Thanks for the help!

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  • What's wrong with this javascript?

    - by Arlen Beiler
    What's wrong with this code? var divarray = document.getElementById("yui-main").getElementsByTagName("div"); var articleHTML = array(); var absHTML; var keyHTML; var bodyHTML = array(); var i = 0; for ( var j in divarray) { if(divarray[i].className == "articleBody"){ alert("found"); articleHTML = divarray[i]; break; } bodyHTML[i] = ''; if(articleHTML[i].className == "issueMiniFeature"){continue;} if(articleHTML[i].className == "abstract"){absHTML = articleHTML[i]; continue;} if(articleHTML[i].className == "journalKeywords"){keyHTML = articleHTML[i]; continue;} bodyHTML[i] = articleHTML[i]; i++; } This is the error I am getting: ReferenceError: array is not defined I am using Google Chrome if it helps any.

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  • simplfy javascript code using regex

    - by Pradyut Bhattacharya
    Hi I have a code which can show youtube videos if there are any links to youtube in the text like for example the text example at:- pradyut.dyndns.org http://www.youtube.com/watch?v=-LiPMxFBLZY testing http://www.youtube.com/watch?v=Q3-l22b_Qg8&feature=related this text i m forwarding to the function... function to_youtubelink(text) { if ( text.indexOf ('<') > 0 || text.indexOf ('"') > 0 || text.indexOf ('>') > 0 ) return text; else { var obj_text = new Array(); var oi = 0; while(text.indexOf('http://') >=0) { //getting the paths var si = text.indexOf('http://'); var gr = text.indexOf('\n', si); var sp = text.indexOf(' ', si); var ei; if ( gr > 0 || sp > 0 ) { if ( gr >0 && sp > 0 ) { if ( gr < sp ) { ei = gr ; } else { ei = sp ; } } else if ( gr > 0) { ei = gr; } else { ei = sp; } } else { ei = text.length; } var it = text.substring(si,ei); if ( it.indexOf('"') > 0) { it.substring(0, it.indexOf('"') ); } if(ei < 0) ei = text.length; else ei = text.indexOf(' ', si) ; obj_text[oi] = it; text = text.replace( it, '[link_service]'); oi++; } var ob_text = new Array(); var ob =0; for (oi=0; oi<obj_text.length; oi++) { if ( is_youtubelink( obj_text[oi] ) ) { ob_text[ob] = to_utubelink(obj_text[oi]); ob++; } } oi = 0; while ( text.indexOf('[link_service]') >=0 ) { text = text.replace( '[link_service]', obj_text[oi]); oi ++; } for (ob=0; ob<ob_text.length; ob++) { text = text +"\n\n" + ob_text[ob]; } return text; } } function is_youtubelink(text) { var matches = text.match(/http:\/\/(?:www\.)?youtube.*watch\?v=([a-zA-Z0-9\-_]+)/); if (matches) { return true; } else { return false; } } function to_utubelink(text) { var video_id = text.split('v=')[1]; var ampersandPosition = video_id.indexOf('&'); if(ampersandPosition != -1) { video_id = video_id.substring(0, ampersandPosition); } text = "<iframe title=\"YouTube video player\" class=\"youtube-player\" type=\"text/html\" width=\"425\" height=\"350\" src=\"http://www.youtube.com/embed/" + video_id + "\" frameborder=\"0\"></iframe>" return text; } now i m getting the output properly... but i was thinking if the code could be done better and simplified using regex ...especially getting the urls part... thanks

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  • javascript setTimeout function out of scope.

    - by Keyo
    I am trying to call showUpload(); from within two setTimeouts. Neither works. It seems to be out of scope and I'm not sure why. I tried this.showUpload() which didn't work either. $(document).ready(function(){ var progress_key = $('#progress_key').val(); // this sets up the progress bar $('#uploadform').submit(function() { setTimeout("showUpload()",1500); $("#progressbar").progressbar({ value:0}).fadeIn(); }); // uses ajax to poll the uploadprogress.php page with the id // deserializes the json string, and computes the percentage (integer) // update the jQuery progress bar // sets a timer for the next poll in 750ms function showUpload() { $.get("/myid/videos/uploadprogress/" + progress_key, function(data) { if (!data) return; var response; eval ("response = " + data); if (!response) return; var percentage = Math.floor(100 * parseInt(response['bytes_uploaded']) / parseInt(response['bytes_total'])); $("#progressbar").progressbar({ value:percentage}) }); setTimeout("showUpload()", 750); } }); Thank you for your time.

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  • Why doesn't javascript function aliasing work?

    - by codeninja
    I have some Firebug console function calls that I wanted to disable when Firebug wasn't enabled, e.g. console isn't defined. This works fine in IE6 and FF3, but not in Chrome: var log; if(console){ log = console.log; }else{ log = function(){ return; } } I get an "Uncaught TypeError: Illegal Invocation" in Chrome =/ I read about the issue here, where you have to apply a context, which is kind of new to me... and I can't seem to figure how to accomplish the above in all browsers...

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  • execute javascript method after completing code behind method ?

    - by James123
    I can execute below callback() method after completion of document.getElementById('btnDownload').click(); .This Click is Code behind method. Now it is executing immediatly. I want wait "Click()" process done then Execute callback(); method. function LoadPopup() { // find the popup behavior this._popup = $find('mdlPopup'); // show the popup this._popup.show(); // synchronously run the server side validation ... document.getElementById('btnDownload').click(); callback(); } function callback() { this._popup = $find('mdlPopup'); // hide the popup this._popup.hide(); alert("hi"); }

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  • Storing DOM reference elements in a Javascript array

    - by webzide
    Dear experts, I was trying to dynamically generate DOM elements using JS. I read from Douglas Crockford's book that DOM is very very poorly structured. Anyways, I would like to create a number of DIVISION elements and store the reference into an array so it could be accessed later. Here's the code for(i=0;i<3;i++){ var div=document.body.appendChild(document.createElement("div")); var arr=new Array(); arr.push(div); } Somehow this would not work..... There is only 1 div element created. When I use the arr.length to test the code there is only 1 element in the array. Is there another way to accomplish this? Thanks in advance

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  • Overriding previously set float using javascript in ie

    - by wheresrhys
    I've read this question to figure out how to set float:none on an element which already has float:right set with class. I used element.style.cssFloat = "none", but this just added a new style property cssFloat which didn't over-ride the existing float:right. I've now fixed it using the adding/removing classes method. But is there a way of over-riding existing float rules in ie without having to use classes?

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  • Most efficient way to create and nest divs with appendChild using *plain* javascript (no libraries)

    - by Matrym
    Is there a more efficient way to write the following appendChild / nesting code? var sasDom, sasDomHider; var d = document; var docBody = d.getElementsByTagName("body")[0]; var newNode = d.createElement('span'); var secondNode = d.createElement('span'); // Hider dom newNode.setAttribute("id", "sasHider"); docBody.appendChild(newNode); sasDomHider = d.getElementById("sasHider"); // Copyier dom secondNode.setAttribute("id", "sasText"); sasDomHider.appendChild(secondNode); sasDom = d.getElementById("sasText"); Thanks in advance for your time :)

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  • JAVASCRIPT regexp

    - by Parhs
    Hello! I have some hidden inputs like this I would like somehow to replace the [1] with a number that i want (index) I aint lazy but i am trying to find a good way to do this... a solution would be a replace of exam.normals[1] with exam.normals[+ index +] but i should substr the whole string first.... With regexp i dont know how to do the replace. good...

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  • IE8 is subtracting wrong in JavaScript / jQuery?

    - by Oscar Godson
    In every browser, Win/Mac, Chrome, Safari, Firefox, Opera, IE6, and IE7 they ALL get the following console output: 352 254 But in IE8 I get: 414 434 454 474 Here is my JS/jQuery code: $('#top-breadcrumbs').children('a').each(function(i){ if(!$(this).hasClass('permanent')){ if(permItemWidth+rmItemWidth > $('#top-breadcrumbs').width()){ $(this).addClass('removed'); rmItemWidth = rmItemWidth-$(this).width()+20; } } }); The log code i have above is writing the NEW rmItemWidth value after its been reset in that 2nd if

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  • Javascript: Error 'Object Required.'

    - by javascripthelp
    The following is the error popup message I get when I click "Finalize" button on my website: "Line: 298 Char: 5 Error: Object required: 'lobi_c_selected(...)' Code: 0 URL: http://10.128.23.50/i-prostage/AP/w_ap_check_reconciliation.asp?" Normally, when I click "Finalize" button, it'll generate and show a report in a popup window. However, I'd get this error message instead. Can any of you help me locate the error in the following source code for the page that I'm running in IE 6? sub cb_finalize dim ll_loop, ll_found, lobj_c_selected of_SetHourGlass(True) rpt_link.innerHTML = "" rpt_link.href = "" 'Process only if at least one record was selected if rds1.Recordset.Recordcount 0 then lb_found = false if rds1.Recordset.Recordcount = 1 then if c_selected.checked then lb_found = true else Set lobj_c_selected = document.all.item("c_selected") for ll_loop = 1 to rds1.Recordset.Recordcount if lobj_c_selected(ll_loop - 1).checked then lb_found = true exit for end if next end if if not lb_found then msgbox "Please select a record to be posted.", vbInformation, "ProStage Accounting" of_SetHourGlass(False) else window.setTimeout "ue_process()", 100, vbscript 'Post Event end if else msgbox "There's no record to be posted." + vbcrlf + "Please select a record to be posted.", vbInformation, "ProStage Accounting" of_SetHourGlass(False) end if end sub Sub ue_process dim ll_loop, ll_count, ls_ret, ls_trxid, ls_r1 'Get only selected records redim ls_trxid(rds1.Recordset.Recordcount) for ll_loop = 1 to rds1.Recordset.Recordcount rds1.Recordset.AbsolutePosition = ll_loop if not isnull(rds1.Recordset("clrdt")) then 'Add to TRXID array if selected ll_count = ll_count + 1 ls_trxid(ll_count) = rds1.Recordset("trxid") end if next 'Process reconciliation rds1.Recordset.MarshalOptions = 1 ls_ret = iBO_Update.of_update_1(is_dbsrc, rds1.Recordset, "GLTRX", is_sql) if ls_ret < "1" then msgbox "Update Failed ! " + ls_ret, vbExclamation + vbOKonly, document.title of_SetHourGlass(False) else 'Display Posting Journal & clear screen ue_posting_journal ls_trxid, ll_count Set rds1.SourceRecordset = iBO_Company.of_validate(is_dbsrc, "SELECT 1 FROM DUAL WHERE 1 = 2") ib_query = false 'Not to process RetrieveEnd end if End Sub Sub ue_posting_journal(as_trxid, al_count) dim ll_argseq, ls_argtyp, ls_argmnt, ll_sargseq of_setreport() ' Start service 'Prepare arguments for report in RPTMSTR table for ll_loop = 1 to al_count + 1 select case ll_loop case 1 'Range displayed as report title ll_argseq = 800 ls_argtyp = null ls_argmnt = "st_title.text = 'Bank: " + bnkid_name.value + ", As of Date: " + _ of_date_stringtodate(id_trxdt) + "'" ll_sargseq = 0 case else 'TRXID array ll_argseq = 1 ll_sargseq = ll_loop - 1 ls_argtyp = "S" ls_argmnt = as_trxid(ll_loop - 1) end select of_report_register_array "d_rpt_ap_check_reconciliation_register", ll_argseq, ls_argtyp, ls_argmnt, ll_sargseq next of_report_process "d_rpt_ap_check_reconciliation_register", true, true 'Display report of_sethourglass(False) End Sub

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  • Javascript: addClassName if input is checked and removeClassName if it was un-checked

    - by BoDiE2003
    Im trying to select all the li tags of the document and check if it hasClassName('yes') so if it has, it will remove it. But im having a TypeError: Object [object HTMLLIElement], has no method 'hasClassName' error. This is the DOM method: document.observe("dom:loaded", function() { $(document.body).select('input').each(function(element) { element.observe('click', function() { init(); }); init(); }); }); The previous code will take the init fuction and check the if there are checked inputs and add them the 'yes' class name, but if I un-check those inputs, the class remains. This is the funcion that Im trying to do dynamic (add and remove class 'yes'); function init() { $(document.body).select('input').each(function(element) { if (element.checked) { element.up('li').addClassName('yes'); } if ($(document.body).select('li').hasClassName('yes')) { element.removeClassName('yes'); } }) } Can you help me solving the last part of this function, so the removeclassname method will work? Thank you

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  • Find Line Above or Below in Javascript

    - by Dark Falcon
    I am working on an in-place HTML editor, concentrating on Firefox only right now. I have an element inserted where the cursor should be and also have left and right arrows working, but I can't seem to find a way to find: Start and end of a line for the home and end keys The next line up or down for the up/down arrows. I see document.elementFromPoint, but this doesn't get me a Range object. The Range object itself seems rather useless when it comes to using pixel positions.

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  • Javascript function variables being validated before function called by Internet Explorer

    - by CodingIsAwesome
    When my page loads it calls the function like below: <body onLoad='changeTDNodes()'> And the code it calls is below: function applyThresholds(myvalue, mycell) { var threshold = 10; if (myvalue.innerHTML >= threshold) { //mycell.style.setAttribute('cssText','font-size:x-large;'); mycell.setAttribute('bgColor','red'); } else { mycell.setAttribute('bgColor','green'); } } function changeTDNodes() { // there can be many 'td' elements; just return the nth element var RepairVideo_cell_value = document.getElementsByTagName('B')[21]; var RepairVideo_cell = document.getElementsByTagName('td')[16]; var PPV_cell_value = document.getElementsByTagName('B')[6]; var PPV_cell = document.getElementsByTagName('td')[1]; var LeadRepair_cell_value = document.getElementsByTagName('B')[11]; var LeadRepair_cell = document.getElementsByTagName('td')[6]; var LeadTier_cell_value = document.getElementsByTagName('B')[16]; var LeadTier_cell = document.getElementsByTagName('td')[11]; var CHSI_cell_value = document.getElementsByTagName('B')[26]; var CHSI_cell = document.getElementsByTagName('td')[21]; var HN_cell_value = document.getElementsByTagName('B')[31]; var HN_cell = document.getElementsByTagName('td')[26]; var CDV_cell_value = document.getElementsByTagName('B')[36]; var CDV_cell = document.getElementsByTagName('td')[31]; var CommOps_cell_value = document.getElementsByTagName('B')[42]; var CommOps_cell = document.getElementsByTagName('td')[36]; applyThresholds(PPV_cell_value, PPV_cell); applyThresholds(LeadRepair_cell_value, LeadRepair_cell); applyThresholds(LeadTier_cell_value, LeadTier_cell); applyThresholds(RepairVideo_cell_value, RepairVideo_cell); applyThresholds(CHSI_cell_value, CHSI_cell); applyThresholds(HN_cell_value, HN_cell); applyThresholds(CDV_cell_value, CDV_cell); applyThresholds(CommOps_cell_value, CommOps_cell); } Although the code executes succssfully, in the bottom corner of internet explorer the error shows as: Line: 12 Char: 1 Error: 'innerHTML' is null or not an object Code: 0 Yet if I move the applyThresholds function below the changeTDNodes function, the changeTDNodes functions complains that there is no such thing as the applyThresholds function. What am I doing wrong here? Thanks for all your help!

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  • target="_top" emulation using JavaScript

    - by abovesun
    Suppose we have frameset of with 2 frames, one frame is kind a tiny horizontal header and second is kind of "content" frame with 3rd-party html page inside. When user clicks on some link inside "content" frame, the whole page (frameset) should be reloaded with this link, the same behavior if "content" frame has "target=_top" attribute. How to do this using JS?

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  • small javascript problem

    - by dfg
    Hi, I have this little function that opens modal window type thing. The problem is that it doesnt work on IE. All other browser its fine, but on IE, nothing happends: function showOverlayBox() { if( isOpen == false ) return; $('#full').css({ display:'block', left: ( $(window).width() - $('#full').width() )/2, top: ( $(window).height() - $('#full').height() )/2, position:'absolute' }); $('.BgCover').css({ display:'block', width: $(window).width(), height: $(window).height() }); } function doOverlayOpen() { isOpen = true; showOverlayBox(); $('.BgCover').css({opacity:0}).animate( {opacity:0.8} ); return false; } function doOverlayClose() { $('#full').css( 'display', 'none' ); $('.BgCover').animate( {opacity:0}, null, null, function() { $(this).hide(); } ); } Maybe something to do with isOpen == false?

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