ethereum / web3.js / 2485

52%

1.x: 80%

Pull #1650

travis-ci

Fixes #1559: Remove `Sec-WebSocket-Protocol: undefined` from Websocket headers

The WebSocket constructor in a browser based environment [only takes two
arguments](https://developer.mozilla.org/en-US/docs/Web/API/WebSocket).
Before we were passing it extra arguments which was causing it to send
invalid headers. This commit ignores all arguments except for the first two.

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