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Top JavaScript Agencies

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SociiLabs LLC

Sheridan, United States

Top-Rated Custom Web Engineering & SEO Optimization by SociiLabs LLC

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

sociilabs.com

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The Website Guy

Lino Lakes, Mongolia

UK Custom Responsive Web Design, WordPress Engineering & SEO Consultancy

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</> React </> JavaScript </> PHP +2

Digital Strategy Web Design Branding +2

thewebsiteguy...

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Crème de Mint

Miami Beach

Miami Award-Winning Product Packaging, Branding & Shopify Web Agency

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</> JavaScript </> WordPress </> Shopify +2

Web Design Branding Packaging Design

cremedemint.com

Web Development +1

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Seative Digital

Lewes, Germany

Top-Rated Custom Web Engineering & SEO Optimization by Seative Digital

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

seative-digit...

Web Development +1

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Bald Creative

Atlanta, Gabon

Top-Rated Custom Web Engineering & SEO Optimization by Bald Creative

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

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5280 Design Co

Denver, Colombia

Denver Custom Web Design, Webflow Engineering & Local SEO Studio

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</> React </> JavaScript </> WordPress +2

Graphic Design E-Commerce Development Web Design +2

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Web Development +2

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TechnologyAlly

Overland Park, United States

Enterprise Software Engineering, Cloud DevOps & React Studio

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</> React </> Node.js </> Django +8

Custom Software Development Application Management & Support Website Optimization +1

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Vontavius Tech Support

Collierville, Tunisia

Managed IT Services, Custom WordPress Web Design & Local SEO Studio

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</> React </> JavaScript </> Azure +1

Social Media Marketing Marketing Strategy Pay Per Click +2

vontavius.com

Web Development +2

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Webs Invention

Lee's Summit, United States

Custom Web Software Development, WordPress & Local SEO House

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</> Laravel </> JavaScript </> PHP +3

Graphic Design E-Commerce Development Web Design +1

websinvention...

Web Development +2

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Clean Up Marketing

Seattle, United States

Climate Tech Brand Storytelling, Clean Energy Marketing & Sustainable Web Engineering

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> JavaScript </> WordPress </> Webflow

Content Marketing Web Design Web Development

cleanupmarket...

Web Development +1

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Vide Infra

Albuquerque, United States

Top-Rated Custom Web Engineering & SEO Optimization by Vide Infra

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

vide-infra.com

Web Development +1

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Advice Media

Park City, United States

Top-Rated Custom Web Engineering & SEO Optimization by Advice Media

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> Node.js +7

Custom Software Development Website Optimization Web Development +1

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Technology Guide & Market Insights

Hiring JavaScript Agencies: Complete Guide & Overview

JavaScript is a general-purpose programming language used extensively for web development. It runs directly in web browsers for interactive interfaces and can also run on servers, desktop applications, mobile applications, and developer tools. JavaScript supports event-driven and asynchronous programming and has a large ecosystem of libraries and frameworks. It is a core technology for frontend development and is also widely used in full-stack applications through runtimes such as Node.js.

For projects using JavaScript, teams should consider the application's requirements, expected scale, integration points, deployment environment, testing approach, and long-term maintenance. Choosing the technology should also take into account the existing skills of the development team and the libraries or services already used by the product.