[FEATURE] Guide for Streaming Chat Completions in JS

[blue-j]

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Is your feature request related to a problem? Please describe.
I'm having a very hard time finding reliable guidance on streaming chat completions with JavaScript. Is it not possible? Even ChatGPT has no clue and runs in circles. The bitter irony!

Describe the solution you'd like
Ideally a reliable recipe for setting up chat completion streaming using JavaScript would be published here.

Additional context
Love you guys! Great work!! : )