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jQuery Expert Needed

We have a legacy embedded device with 2009-era jQuery 1.3.2/xml2json/SizzleJS with some XHR requests performed via its own bare-bones webserver (not Apache/nginx/etc).

We need to gently modernise the underlying JavaScript/HTML/CSS into the 2020s. A cursory examination of the existing JS/HTML/CSS shows a shocking lack of understanding of the evolution of HTML - I would consider this to be a project of IE6/IE7 led 'development'.

Our goal is to bring this to jQuery 1.12.x (or 2.x as a real bonus, but not required) with proper CSS that will not throw errors/warnings in a browser made within the past four years.

Core direct-hand experience needed: you must have actually worked with jQuery 1.x on then-current browsers and have "evolved" as jQuery, HTML, and browsers have evolved to be able to recognise where all of the skeletons are.

JSON, JavaScript, HTML (pre-HTML4 through HTML5.3), XHR (simple ones), and how to obtain desired formatting with CSS2+ stylesheets are required for this job.

Beceriler: JavaScript, HTML5, CSS, jQuery / Prototype, HTML

Müşteri Hakkında:
( 0 değerlendirme ) London, United Kingdom

Proje NO: #33968746

Bu iş için 11 freelancer ortalamada $7/saat teklif veriyor

(139 Değerlendirme)
7.3
maxpl

Hi, Hope you are doing great. I am an experienced web and mobile app developer. I have 8+ years of experience in webdesign/develop Daha Fazla

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(40 Değerlendirme)
6.9
webpixxelshikha

Greeting, I've read the full description which provided by you. I'm a professional Creative Graphic Designers/ Web Developer, Just tell us right thing about your concept. I'll work with you to get exactly what you nee Daha Fazla

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(68 Değerlendirme)
6.4
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6.7
arnoldb

Hello, Hope you are fine. I am an experienced web developer from Poland with over 8 years of experience. I have gone through all your requiremen Daha Fazla

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(16 Değerlendirme)
6.0
Tushar051

I have read your job description and I am an expert in jQuery, Javascript, JSON, HTML/CSS. I have above 5yr of experience in Web Development & Designing, Web application development. My strengths are in PHP, Codeignit Daha Fazla

$10 USD / saat tutarından itibaren
(38 Değerlendirme)
5.5
jabaz007

Hi, I'm a freelance programmer with over over eight years of experience in web development and excellent in PHP, MySQL, JavaScript, jQuery (m), Ajax, JS Libraries --> Angular.js, Greensock, React.js, HTML, CSS, CSS Fr Daha Fazla

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(20 Değerlendirme)
5.1
kajalgupta0098

Dear Hiring Manager, Thanks for sharing your project requirement with us. I have 6+ years of experience in web development. It will be our great pleasure to work on your project. I have checked your requirement regard Daha Fazla

$8 USD / saat tutarından itibaren
(70 Değerlendirme)
5.3
Hilla105

Hello there. How are you today? I have read your job description carefully and it's very interesting to me. As an experienced web developer, I have rich experience in basic web such as html, css and javascript. I also Daha Fazla

$5 USD / saat tutarından itibaren
(14 Değerlendirme)
4.4
santiagomac841

CSS | Javascript | PHP | Wordpress | Laravel | Vue.js Hi, Thanks for visiting here! I am Santiago from Spain. I've been working as a Web Developer for a long time. And, this is what i like to do 24/7! I've many skills Daha Fazla

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(1 Yorum)
2.4
AvP

Hi, I'm a software engineer with 11+ years of experience in UI technologies like HTML, CSS, HTML5, CSS3, jQuery, JavaScript, SASS, SCSS, etc. Additionally I have also authored 4 titles related to web technologies, publ Daha Fazla

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(2 Değerlendirme)
2.1