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  • Should I convert data arrays to objects in PHP in a CouchDB/Ajax app?

    - by karlthorwald
    I find myself converting between array and object all the time in PHP application that uses couchDB and Ajax. Of course I am also converting objects to JSON and back (for sometimes couchdb but mostly Ajax), but this is not so much disturbing my workflow. At the present I have php objects that are returned by the CouchDB modules I use and on the other hand I have the old habbit to return arrays like array("error"="not found","data"=$dataObj) from my functions. This leads to a mixed occurence of real php objects and nested arrays and I cast with (object) or (array) if necessary. The worst thing is that I know more or less by heart what a function returns, but not what type (array or object), so I often run into type errors. My plan is now to always cast arrays to objects before returning from a function. Of course this implies a lot of refactoring. Is this the right way to go? What about the conversion overhead? Other ideas or tips?

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  • Javascript Pointers question with Dates

    - by Mega Matt
    I noticed this situation in my code (unfortunately), and was able to duplicate it in my own JS file. So I have this code: var date1 = new Date(); // today var date2 = date1; date2 = date2.setDate(date2.getDate() + 1); // what is date1? After this code executes, date1 is today's date + 1! This harkens back to my undergrad days when I learned about pointers, and I guess I'm a little rusty. Is that what's happening here? Obviously I've moved the assignment away from date1, and am only modifying date2, but date1 is being changed. Why is this the case? Incidentally, after this code executes date2 is a long number like 1272123603911. I assume this is the number of seconds in the date, but shouldn't date2 still be a Date object? setDate() should return a Date object... Thanks for the help.

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  • javascript as response text

    - by Aneesh
    Hi, I have an Ajax function which will retrieve some RSS feed script from server. I put this responsetext in a div using: $("#divId").html(responsetext); I want to execute the script inside the response. Currently, the RSS feeds not showing in the div. Is there any way to do that ? thanks..

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  • How to handle Querystring in JavaScript?

    - by Wondering
    Hi All, I have a js code: window.onload = function() { document.getElementById("Button1").onclick = function() { var t1 = document.getElementById("Text1").value; var t2 = document.getElementById("Text2").value; document.URL = 'myurl?t1=' + t1 + '&t2' + t2; } } Here i am adding t1,t2 as query param..now my question is lets say i have entered some data in Textbox1 but not in textbox2, in that case the url I am getting is 'myurl?t1=' + value of textbox1 + '&t2' + This will be blank; I want to make it dynamic, i.e.if there is not value in Textbox2 then I dont want to append queryparam t2, same goes for t1 also..isit possible?

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  • javascript simple question

    - by Michael
    window.addEventListener('unload', function(e) { MyClass.shutdown(); window.removeEventListener('unload', /* how to reference the function itself here? */); }, false); The question in the comment.

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  • Javascript search and replace sequence of characters that contain square brackets

    - by Ruth
    Hello all I'm trying to search for '[EN]' in the string 'Nationality [EN] [ESP]', I want to remove this from the string so I'm using a replace method, code examaple below var str = 'Nationality [EN] [ESP]'; var find = "[EN]"; var regex = new RegExp(find, "g"); alert(str.replace(regex, '')); Since [EN] is identified as a character set this will output the string 'Nationality [] [ESP]' but I want to remove the square brackets aswell. I thought that I could escape them using \ but it didn't work Any advice would be much appreciated

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  • jQuery/Javascript Cookies and variable returning with value [object Object]

    - by user1706661
    I am attempting to set a cookie to a site using jQuery, ONLY if the user came from a specific site. In this case, lets use -http://referrersite.com- as the site they must come from for the cookie to be created as an example. The cookie value is being stored in a variable and everything up to this point is working fine. There is a conditional statement checking whether the user came from the referred site, if the cookie exists already and if the cookie doesn't exist and the user did not come from the referred site. If the user came from the referred site the cookie is created and stored in a variable. If the cookie already exists, it is then stored in a variable. If the cookie does not exist and the user did not come from the referred site I am assigning the variable a static string of characters - this is where the issue lies. When the variable is alerted from the non referred site and no existing cookie, it returns: [object Object], not the static string of characters. The code I am using is below: $(document).ready(function() { var referrer = document.referrer; if(referrer == "http://referrersite.com") { $.cookie("code","123456", { expires: 90, path: '/' }); cookieContainer = $.cookie("code"); alert(cookieContainer); } else if($.cookie("code")) { cookieContainer = $.cookie("code"); alert(cookieContainer); } else if($.cookie("code") == null && referrer != "http://referrersite.com") { cookieContainer = "67890"; alert(cookieContainer); } }); Please let me know if there is something I am missing as the code to me looks like it should work. Thanks!

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  • javascript function pointer and "this"

    - by Justin808
    I'm passing a method as a variable to be used as a callback. When its called, the "this" is not the object the method is a member of. How do I go about getting access to the method's object instance so I can get access to it variables and other member functions? I have no control over the callback call method, its a separate library. All I do is call the binding from my object init method. I would have expected this inside my _connection method to have been its object. jsPlumb.bind('connection', this._connection);

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  • Regex get multiple segments of a string in javascript

    - by dave
    I'm trying to extract some results from a download manager, the format is: [#8760e4 4.3MiB/40MiB(10%) CN:2 DL:4.9MiB ETA:7s] what I'd like to extract from the above example, would be an array that looks like this: ['4.3','MiB','40','MiB','10%','4.9','MiB','7','s'] I've tried to split this in various combinations, but nothing seems to be right. Would anyone happen to know how to do this or be able to offer suggestions? Thank you!

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  • How to change h:outputText value by JavaScript?

    - by Peter
    I already tested with 2 inputText, It runs well for example var tdate = document.getElementById('txtDate'); //h:inputText var tdt = document.getElementById('txtDateTime'); //h:inputText tdate.onchange = function(){ tdt.value = tdate.value; }; How can I change the value of " tdt " - h:outputText? var tdate = document.getElementById('txtDate'); //h:inputText var tdt = document.getElementById('txtDateTime'); //h:outputText

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  • javascript switch(true)

    - by ntan
    Hi i am trying to handle an ajax json response here is my code success: function (j) { switch(true) { case (j.choice1): alert("choice2"); break; case (j.choice2): alert("choice2"); break; default: alert("default"); break; } } based on what j is return i do my action BUT i keep getting the default. I have alert the j values and come correct.Some how case (j.choice1) case (j.choice2) is not working. I tried case (j.choice1!="") (j.choice2!="") But in this scenario i keep getting the first choice. What am i missing

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  • Get image data in Javascript?

    - by detariael
    I have a regular HTML page with some images (just regular IMG HTML tags). I'd like to get their content, base64 encoded preferably, without the need to redownload the image (ie. it's already loaded by the browser, so now I want the content). I'd love to achieve that with Greasemonkey and Firefox.

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  • textarea into array javascript

    - by user281180
    myList contains the following values: value1 value2 value3 function showArray() { var txt = $("#myList").text(); var textread = txt.split('\n'); var msg = ""; for (var i = 0; i < textread .length; i++) { msg += i + ": " + textread [i] + "\n"; } alert(msg); } my alert gives me the following: 0:value1 value2 value3 It`s not what I wanted and expecting, I was expecting something like: 0: value1 1: value2 2: value3 How can I get the values as expected?

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  • javascript timer fires up on the first key press

    - by pedrag
    I have a html page with a timer in it. I'm starting the timer with the keypress event, but i want it to execute only for the first key. I'm using a variable to catch the total keys in an other function which there were pressed and i have something like that: if(totaAttempts==1) start the timer, but with this solution the timer starts correctly, but is stomps when a key is pressed again. Any better ideas? Thanks in advance function setTime() { if (totalAttempts == 1) { ++totalSeconds; secondsLabel.innerHTML = pad(totalSeconds % 60); minutesLabel.innerHTML = pad(parseInt(totalSeconds / 60)); } } function pad(val) { var valString = val + ""; if (valString.length < 2) { return "0" + valString; } else { return valString; } }

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  • Javascript / Jquery Tree Travesal question

    - by Copper
    Suppose I have the following <ul> <li>Item 1</li> <li>Item 2 <ul> <li>Sub Item</li> </ul> </li> <li>Item 3</li> </ul> This list is auto-generated by some other code (so adding exclusive id's/class' is out of the question. Suppose I have some jquery code that states that if I mouseover an li, it gets a background color. However, if I mouseover the "Sub Item" list item, "Item 2" will be highlighted as well. How can I make it so that if the user mouses over "Sub Item" it only puts a background color on that and not on "Item 2" as well?

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  • JavaScript IF with AND/OR.. not working

    - by nobosh
    Can someone who is a master at JS tell me what's wrong with this? if ( $.trim($("#add-box-text").val()).length < 2 && $.trim($("#add-box-text").val()) != "Click here to add an item" ) { // If it's LT than 1 Character, don't submit $("#add-box-text").effect('highlight', {color: '#BDC1C7'}, 500); // Refocus $("#add-box-text").focus(); }

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  • JSF form does not get submitted when form is disabled by JavaScript

    - by Steve
    This is the submit button: <h:commandButton actionListener="#{regBean.findReg}" action="#{regBean.navigate}" value="Search" /> This is the form: <h:form onsubmit="this.disabled=true;busyProcess();return true;"> If the submit button is pressed, the page shows a "busy" icon until request is processed. The problem is, the form is never submitted and the request never reaches the backend. However, if I instead take out the "disabled" call like so: <h:form onsubmit="busyProcess();return true;"> Then everything works. Any ideas?

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  • Linking javascript BASEDIR

    - by Azzyh
    Hello. So continue from this: http://stackoverflow.com/questions/2715295/linking-how-php-html Please check the answer i accepted, and i used the "BASEDIR" solution zneak came with. Now i ran onto another problem.. in my ajax_framework.js i have: $.ajax({url: "session.php", success: function(data){ how should i include BASEDIR onto this? i was thinking something about: $.ajax({url: "'.BASEDIR.'session.php", success: function(data){ but this isnt PHP, so i think you cant? no? any help or maybe another method to come around this?

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  • Javascript function not working with an array

    - by Ryan Harvie
    Hi, i have this function which loops through an array of check boxes checking if the boxes value is equal to something in a text box, i dont know whats wrong. function checkValue(contain) { var boxes = document.getElementsByTagName("input"); for (var i = 0; i < boxes.length; i++) { if (boxes[i].name == "vote[]") { if (boxes[i].value.indexOf(contain.value) != -1) { boxes[i].checked = true; } } } } and this is how i call it OnClick="uncheckAll(); checkValue(document.getElementsByName("countrylist"));" this code is in side a echo in php which is like this echo ' ';

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  • Loop through Javascript array, print with string.

    - by Adam
    I have a simple array like: var myArr=["one","two","three"]; an I have a counting loop, which increases the value of var "i" by one. What I want to do is print the next value from the array each time the loop runs, next to a text string, like so: alert('value number '+myArr[i]+); But for some reason I can't get this to work. The following code works, so I'm assuming I'm not calling the counter right: alert('value number '+myArr[0]+);

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  • hasOwnProperty in javascript

    - by Thiyaneshwaran S
    function Shape() { this.name = "Generic"; this.draw = function() { return "Drawing " + this.name + " Shape"; }; } function welcomeMessage() { var shape1 = new Shape(); //alert(shape1.draw()); alert(shape1.hasOwnProperty(name)); //this is returning false } "welcomeMessage" called on the body.onload event. I expected shape1.hasOwnProperty(name) to return true. But its returning false. Whats the correct behavior?

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