Expected URL scheme 'http' or 'https' but no colon was found

2021-12-28
You can solve this problem just add semicolon(;) at the end of url
Expected URL scheme 'http' or 'https' but no colon was found[Expected URL scheme 'http' or 'https' but no colon was found]
and code can be
new WebSocket(<YOUR_URL>;)
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