Câu 17: 98-375: HTML5 App Development Fundamentals

You work as a senior developer at ABC.com. The ABC.com network consists of a single domain named ABC.com. ABC.com makes use of HTML5 and CSS3 in their development process. You are running a training exercise for junior developers. You are currently discussing a property of the WebSocket API that returns the type of data received by the onmessage event. Which of the following is the property being discussed?

1. A. The extensions property.
2. B. The binaryType property. — đáp án hiện tại
3. C. The readyState property.
4. D. The protocol property.