Add JavaScript proxy examples

[proxymeshai]

Summary

• Add JavaScript/Node.js proxy examples for popular HTTP libraries
• Add comprehensive test runner with environment variable support matching Python examples
• Update README with JavaScript documentation

Libraries Covered

HTTP Clients:

• axios - Most popular HTTP client
• node-fetch - Fetch API for Node.js
• got - Human-friendly HTTP client
• undici - Fast HTTP client (powers Node.js fetch)
• superagent - Flexible HTTP client
• needle - Lean HTTP client

Browser Automation:

• puppeteer - Headless Chrome
• playwright - Cross-browser automation

Web Scraping:

• cheerio - HTML parsing with node-fetch

Test Runner

# Set proxy and run all tests
export PROXY_URL='http://user:pass@proxy:8080'
node javascript/run_tests.js

# With custom headers
export PROXY_HEADER='X-ProxyMesh-Country'
export PROXY_VALUE='US'
node javascript/run_tests.js -v

Test plan

• Verify examples run with a real proxy
• Test runner outputs correct pass/fail status
• README renders correctly

Made with Cursor

[proxymesh]

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