Q. What does the value 2 of the WebSocket attribute Socket.readyState indicate?

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Q. How many WebSocket events are available?

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Q. Which method is used to close the WebSocket?

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Q. How does the client and the server communicate following the rules defined by the WebSocket protocol?

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Q. Which of the following are not a socket property?

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Q. How can we check the subprotocol being used by the client?

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Q. How will you transmit data using the connection?

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Q. Which of the following is not a WebSocket event?

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Q. What does an History object contain?

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Q. The history object is a part of which object?

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Q. How many methods are there in the History object?

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Q. What is the purpose of the method forward()?

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Q. How will you update the URL displayed in the location bar?

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Q. How do you add a particular state to the browsing history?

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Q. What does the pushState() method do?

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Q. Which of the following method is used to replace the current history state instead of adding a new state to the browsing history?

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Q. How many parameters does the replaceState() method take?

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Q. What is the purpose of the event window.onpopstate?

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Q. R is an extension of which of the following language?

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Q. Which of the following is/are statistical languages?

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