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Question 85/153
You develop an HTML5 chat application.
You need to provide real-time updates to the messages that users post in the chat application.
What should you do?
You need to provide real-time updates to the messages that users post in the chat application.
What should you do?
Correct Answer: C
Explanation/Reference:
Web Sockets is a next-generation bidirectional communication technology for web applications which operates over a single socket and is exposed via a JavaScript interface in HTML 5 compliant browsers.
Once you get a Web Socket connection with the web server, you can send data from browser to server by calling a send() method, and receive data from server to browser by an onmessage event handler.
Reference: HTML5 - WebSockets Tutorial
Web Sockets is a next-generation bidirectional communication technology for web applications which operates over a single socket and is exposed via a JavaScript interface in HTML 5 compliant browsers.
Once you get a Web Socket connection with the web server, you can send data from browser to server by calling a send() method, and receive data from server to browser by an onmessage event handler.
Reference: HTML5 - WebSockets Tutorial
- Question List (153q)
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- Question 29: DRAG DROP You have the following markup: (Exhibit) You need ...
- Question 30: HOTSPOT You review a web form that contains the following ma...
- Question 31: You develop a webpage by using HTML5. You create the followi...
- Question 32: You display a long text content in a div. You need to preven...
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- Question 39: DRAG DROP You have the following HTML markup. (Exhibit) You ...
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- Question 47: HOTSPOT A company has an XML file named products.xml on a we...
- Question 48: HOTSPOT You are reviewing the CSS markup for an HTML5 page t...
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- Question 51: HOTSPOT You have the following code. (Line numbers are inclu...
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- 1 commentQuestion 97: You are developing an application that consumes an external ...
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- Question 104: HOTSPOT You are developing a form that captures a user's ema...
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- Question 144: DRAG DROP A company asks you to create a function that displ...
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- Question 151: DRAG DROP You develop an HTML5 webpage. You have the followi...
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- Question 153: DRAG DROP You create an HTML5 webpage. You have the followin...
