AJAX is the art of exchanging data with a server, and updating parts of a web page without reloading the whole page. It is not a new programming language, but a new way to use existing standards. AJAX is used to make sites interactive. It can be used to create Facebook apps, picture-uploading interfaces, and much more. If you need to add functionality to an existing or new website and don\'t have the programming knowledge, our expert developers can create whatever you need.

If you are AJAX developer, Freelancer.com offers you a lot of clients who need your help with their AJAX projects which might vary from creating Facebook apps, picture uploading interfaces, and much more.

If you believe you can do that, then start bidding on AJAX projects and get paid with an average of $200 per project depending on the size and nature of your work.

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    add code to an existing code in three pages to insert, update and delete regists in my database

    $152 (Avg Bid)
    $152 Avg Bid
    15 bids

    We're using the UserPro Plugin. Right now if a user deletes what's in a specific field in their profile so it's blank, jquery detects the input change and that's it's blank, and runs an ajax function. Based on this ajax response, it either shows a warning message and changes the data-required attribute to 1 or does nothing. This is working. What we need though, is this same function to run when the form is submitted, and either allow or deny the form submission based on the ajax response, and show the same warning message to the user.

    $20 (Avg Bid)
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    6 bids

    Hello! I seek to contract a freelancer that knows how to work with PHP, MySQL PDO, and AJAX. The freelancer will be tasked with writing different scripts to query, manipulate, and load data in a website. The freelancer should be able to write scripts such as: 1. Save all data in columns "name, score, address" to table WEEKLY_SCORE once every week. 2. Count the number of users with a score higher than 30. 3. Select all users registered in the last hour and return the result via AJAX. I will pay around $15 per script depending on the complexity. $200 in total guaranteed. Bids above $200 will not be accepted. The freelancer should understand the following code. Please do not apply if the below code does not make sense! Thank you! <?php class account extends db_connect { private $id = 0; public function __construct($dbo = NULL, $accountId = 0) { parent::__construct($dbo); $this->setId($accountId); } public function signin($email, $password) { $access_data = array('error' => true); $email = helper::clearText($email); $password = helper::clearText($password); $stmt = $this->db->prepare("SELECT salt FROM users WHERE email = (:email) LIMIT 1"); $stmt->bindParam(":email", $email, PDO::PARAM_STR); $stmt->execute(); if ($stmt->rowCount() > 0) { $row = $stmt->fetch(); $passw_hash = md5(md5($password).$row['salt']); $stmt2 = $this->db->prepare("SELECT id, state FROM users WHERE email = (:email) AND passw = (:password) LIMIT 1"); $stmt2->bindParam(":email", $email, PDO::PARAM_STR); $stmt2->bindParam(":password", $passw_hash, PDO::PARAM_STR); $stmt2->execute(); if ($stmt2->rowCount() > 0) { $row2 = $stmt2->fetch(); $access_data = array("error" => false, "error_code" => ERROR_SUCCESS, "accountId" => $row2['id']); } } return $access_data; ?>

    $159 (Avg Bid)
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    25 bids
    Ajax Upload Image changes 6 days left
    VERIFIED

    Add ajax upload image code FROM Example to resize or scale big images and keep the right orientation images. Budget:$13

    $21 (Avg Bid)
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    17 bids

    I want a wordpress developer who can Integrate a payment gateway to a wordpress classifieds website. All the logic and php example code is ready. What is needed is to create the necessary wordpress hooks within the plugin. It could take an hour or two for someone well versed with Wordpress. Please apply only if you are a wordpress plugin developer.

    $62 (Avg Bid)
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    17 bids

    I've attached a brief breakdown of the project. I have a larger spec docment that goes in to a little more detail if the project interests you send me a request and I'll send that over. I've also attached a number of zip files containing graphic representations of the various areas of the project. I'm a designer and developer myself and will be taking care of the graphic front end and admin design elements but I require a backend developer to speed up the development time. The whole project is a new site development but I only require assistance for the database and admin backend. I've had problems uploading the job brief and the zip files, so this is a repost, please let me know if you can't see the attached files.

    $1297 (Avg Bid)
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    6 bids

    1. I was adding a form so on post the form data is submitted but the page does not reload using jquery. But this was not working, so this needs to function. It should open a message to the user and write to the database. Before this writes to the db the post data should be compared and validated. 2. The css on a bottom footer is off with the width. This is called from a css file and affects certain screen resolutions, this should be consistent for all resolutions and browsers. 3. We have a Broadcast feature which allows a page to promoted on twitter. I had to remove what called the social media link that loads, so this needs to be restored in a new layer. When the link to broadcast is clicked the form should insert in a table and at least one field should be required. There should be a checkbox that can be clicked to prevent writing to the db.

    $151 (Avg Bid)
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    32 bids

    I need some changes to an existing website. I already have a design, I just wanted to extract zip to a folder with ajax to a specific folder

    $104 (Avg Bid)
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    17 bids
    Jquery Upload Blueimp Fix 5 days left
    VERIFIED

    Add features to load and resize/escale big images (size and MB) and keep orientation fine using example code. At this moment my code is uploading multiple files but no allowing upload big images and is not keeping right orientation. Contact me to show you code i am using and code modified to upload and scale big images and keep orientation fone. Budget: $15

    $21 (Avg Bid)
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    6 bids

    necesito 1) importar datos de un archivo .m3u a mysql / 2) ordenar elementos obtenidos de una tabla mysql con jquery (sortable) de forma grafica (arrastrar y soltar)

    $25 (Avg Bid)
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    7 bids

    Upload code is not loading in right way image orientation. There is an example to upload all file with the right orientation. Budeget $12

    $17 (Avg Bid)
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    5 bids

    Hi, Hope you can understand me, only l need to develop a site working with google api, firefox api, safari api, to pointer Lock to a specific position i can control it in a code in browser address bar, i read this article [url removed, login to view] and need anything to do this in brower, it's for click on any point in webpage and the important one to click on massages of browser like "show notifications" (photo attached) or if you can develop webpage to auto make browser allow notifications automatic that will be great. Thanks

    $142 (Avg Bid)
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    9 bids

    I've attached a brief breakdown of the project. I have a larger spec docment that goes in to a little more detail if the project interests you send me a request and I'll send that over. I've also attached a number of zip files containing graphic representations of the various areas of the project. I'm a designer and developer myself and will be taking care of the graphic front end and admin design elements but I require a backend developer to speed up the development time. The whole project is a new site development but I only require assistance for the database and admin backend.

    $1152 (Avg Bid)
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    40 bids

    hi i need someone with good technical knowledge regarding video streaming and broadcasting to help me setup xhr cookie request to play any m3u8 file on a html5 player on my website Please don not bid randomly for the sake of bidding , if u know about then only bid

    $7 / hr (Avg Bid)
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    2 bids
    crawl one website info for me 4 days left
    VERIFIED

    I need u make a user to [url removed, login to view] and see if u can crawl by php, json, javascript and so on from [url removed, login to view] i need the question, and word they ask and word from foreign language. Make Your price for this code.

    $453 (Avg Bid)
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    25 bids
    Project for Fedor V. 7 days left
    VERIFIED

    Hi Fedor V., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    $22 (Avg Bid)
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    2 bids

    Hello, I have a complex project to be built 100% on PHP, this is a urgent project – the timeline is 6 weeks. It is building a website app. This project requires a custom backend to handle a number of functions from the frontend. The frontend will be using bootstrap and PHP, communicating to a MySQL database. Later versions we hope to build into a NodeJS platform, providing an efficient JSON/XML pathway for mobile applications, moving to a MongoDB database. MySQL Apache PHP Bootstrap Google Maps API We require a team for this project, please don’t apply if you are one developer. I will pick top five applicants and send more details through. Applicants must speak very good English.

    $1721 (Avg Bid)
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    44 bids
    Ajax / JQuery delete 4 days left
    VERIFIED

    Delete images using ajax / jquery on editing page without refresh entire page, only remove selected image after click delete button.

    $25 (Avg Bid)
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    28 bids

    I'm trying to developing website/application .. which will register customers . This Registered customer options of chat with the agents if they are live or agents will schedule time for chatting with customers and same with the video calling as well .

    $652 (Avg Bid)
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    29 bids

    I have an existing project which needs a few bugs to be resolved. The code is non-MVC, and hence I'm looking for someone who understands core PHP and has experience with it.

    $133 (Avg Bid)
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    28 bids

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