A.The virtual DOM updates each element when the layout of the DOM changes, meaning that the page always reflects the most current data from the server

B.The Virtual DOM is not just a view layer, but also makes changes directly to the Web page

C.Rendering the virtual DOM is faster than rendering the regular browser DOM.

D.You can learn virtual DOM concepts and React libraries quickly because the libraries are simple and concise

A.When you click the welcome message a welcome alert will load

B.When you click the alert a welcome message will appear

C.The word "Welcome" will be displayed in a prompt when the page loads

D.A welcome message will appear when the page loads

A.Predefined libraries provide improved Web page load times.

B.Predefined libraries always provide step-by-step instructions on how to manually enter code to perform a specific task.

C.Predefined libraries provide thoroughly tested code that reduces the amount of time it takes to enter and debug code .

D.Predefined libraries provide proprietary code that works well in multiple platforms and coding environments.

A.Two pop-up alert boxes will appear one will display Fair and one will display Poor

B.A pop-up alert box will display Poor

C.There is an error in the code, no pop-up alert box will appear

D.A pop-up alert box will display Fair followed by a pop-up alert box displaying Bad

A.Line 2 should be changed to name = name . toUpperCase () ;

B.Line 2 should be changed to name .prototype . toUpperCase () ;

C.Line 1 should be changed to var name = new sting("Jaccb");

D.Line 3 should be changed to document. write (NAME) :