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Questions # 71:

Wilhelm is writing a constructor in JavaScript. He uses the word "this" when referring to the properties and methods in his object parameters and functions. Why?

Options:
A.

The "this" keyword is used to represent the object as the properties and methods are defined.

B.

Wilhelm's schema is not finalized yet, so he uses "this" as an empty placeholder in the code until the schema is set.

C.

The word "this" has no significance outside of Wilhelm's script ?he chose this nomenclature randomly.

D.

Wilhelm can reuse the object by substituting the word "this" for the real values, using a function to insert the real names.

Expert Solution
Questions # 72:

Consider the various JavaScript methods, such as alert(), prompt(), and confirm(). These methods are methods of which object?

Options:
A.

Variable object

B.

Event object

C.

Window object

D.

Condition object

Expert Solution
Questions # 73:

Can a programmer refer to a variable from anywhere in a frameset?

Options:
A.

No – the protocol does not allow this.

B.

Yes – if the Webmaster refers to the variable using the proper syntax.

C.

Yes – if the variable is coded to account for differences in Netscape and Microsoft browsers.

D.

Yes – but this is not advisable because you cannot refer more than three variables.

Expert Solution
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