WebFund 2013W Lecture 5: Difference between revisions

Revision as of 19:24, 22 January 2013

Topics for today are:

Audio will be posted here after class.

These questions will be on cuLearn after the lecture.

Every object in JavaScript has a prototype property. (true/false)
The prototype property is used when updating and retrieving an object's properties.
The for in construct in JavaScript is not so useful because it loops over all of the accessible properties of an object. (true/false)

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 # Every object in JavaScript has a <tt>prototype</tt> property. (true/false)
 # The <tt>prototype</tt> property is used when updating and retrieving an object's properties.
-# In the method invocation pattern, a function returns what value if there is no explicit <tt>return</tt> statement?  (one word)
-# In the constructor invocation pattern, a function returns what value if there is no explicit return statement? (one word)
-# In the function invocation pattern, <tt>this</tt> is bound to which object? (one word)
-# The apply function invocation pattern does not allow you to set the value of <tt>this</tt>. (true/false)
-# The use of <tt>that</tt> is to get around the limitations of the function invocation pattern. (true/false)
 # The <tt>for in</tt> construct in JavaScript is not so useful because it loops over all of the accessible properties of an object. (true/false)