Upgrade jQuery from 1.7.2 to 3.4.1 AND fix errors of Wordpress theme

Hello, if I upgrade jQuery from 1.7.2 to 3.4.1 I get several errors in the Console.

These are related to old-fashioned functions of an old theme.

Also there are some little problems in the browser when navigating.

Such as: swipebox full screen black screen happens when clicking whatever after opening the site, and thumbnails not showing up - they show up only after turning on the Chrome dev tools (F12). Probably there are also other errors/problems to fix.

In case of good price and good work and good communications, there will be other tasks to do for the same site.

Thanks in advance

Skills: WordPress, PHP, CSS, Javascript, HTML

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About the Employer:
( 11 reviews ) Warszawa, Poland

Project ID: #23839051

13 freelancers are bidding on average €29 for this job


Hi, i hope you're doing well. I've just read your project's description and i would like to help you with it. I'm an experienced web developer with the necessary skills for getting this job done. Responsibility and More

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€55 EUR in 7 days
(113 Reviews)

Hello, I would love to help you fixing the jquery errors in your WP theme. Please give me a chance to work with you or open chat to discuss further. Thanks & Regards, Vipworks

€40 EUR in 1 day
(180 Reviews)

Hello sir, I am a Highly experienced Web Developer. I am ready to start work now and fix this issue now. Thanks Regards Ahsan

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(62 Reviews)

Hi I am Forhat Hossain having experience in : HTML, CSS, JavaScript, JQuery, Bootstrap Responsive Web Design from PSD/XD/FIGMA/PDF/AI/PNG/JPG PHP, Laravel, JSON, AJAX , MySQL, Wordpress I am ready for you now. I More

€30 EUR in 1 day
(39 Reviews)

Hello Employer!!. Thanks for job posting. I have read the description carefully and give you 100% assistance to Upgrade jQuery from 1.7.2 to 3.4.1 AND fix errors of Wordpress theme Skills- PHP, WordPress, Woocomme More

€20 EUR in 3 days
(4 Reviews)

Looking for WordPress Expert !! Hi there, I have gone through your project details & I will provide you a Clean, Professional, Easy-to-Navigate, SEO-Friendly, CMS-Enabled, Flawless, Cross Browser Compatible, Fully Res More

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(8 Reviews)

Hello, Hope you are doing good! I have 6+ years experience in Web application development using HTML,Javascript,jQuery,CSS3,Bootstrap and Wordpress technologies. I believe I can able to fix the issues in your website w More

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(5 Reviews)

Hi, I am certified Website and Database developer for over 7+ years offering you the best Website development solutions that completely match up with your business requirements. I always care about the code quality and More

€19 EUR in 4 days
(1 Review)

Hello, Given your job description, if you upgrade jQuery from 1.7.2 to 3.4.1 you get several errors in the Console, and they are related to an old-fashioned theme. There is also swipebox full screen. I have worked w More

€20 EUR in 7 days
(4 Reviews)

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(3 Reviews)

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€50 EUR in 7 days
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