[Solved] Why does this Remix WebSocket client code fail to receive messages?const socket = new WebSocket('ws://localhost:3000'); socket.onmessage = (event) => { console.log(event.data); }; socket.... | Remix

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Why does this Remix WebSocket client code fail to receive messages?

const socket = new WebSocket('ws://localhost:3000');
socket.onmessage = (event) => {
  console.log(event.data);
};
socket.onopen = () => {
  socket.close();
};

AMissing call to socket.connect()

Bonmessage handler is never set

CWebSocket URL is invalid

DConnection closes immediately on open, no messages received

Step-by-Step Solution

Solution:

Step 1: Analyze onopen handler behavior
onopen closes the socket immediately after connection opens.
Step 2: Understand effect on message reception
Closing connection right away prevents any messages from arriving, so onmessage never triggers.
Final Answer:
Connection closes immediately on open, no messages received -> Option D
Quick Check:
Immediate close stops message reception [OK]

Quick Trick: Don't close socket right after opening it [OK]

Common Mistakes:

MISTAKES

Assuming onmessage is unset
Thinking URL is invalid
Expecting socket.connect() method

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Why does this Remix WebSocket client code fail to receive messages?

Step 1: Analyze onopen handler behavior

Step 2: Understand effect on message reception

Final Answer:

Quick Check:

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