The WebSocket.readyState read-only property returns the
current state of the WebSocket connection.
Syntax
var readyState = aWebSocket.readyState;Value
One of the following unsigned short values:
| Value | State | Description |
0 |
CONNECTING |
Socket has been created. The connection is not yet open. |
1 |
OPEN |
The connection is open and ready to communicate. |
2 |
CLOSING |
The connection is in the process of closing. |
3 |
CLOSED |
The connection is closed or couldn't be opened. |
Specifications
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'WebSocket: readyState' in that specification. |
Living Standard | Initial definition |
Browser compatibility
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