yea, I got those ones. thanks On Mon, Dec 29, 2008 at 8:55 PM, Kean <shenan...@gmail.com> wrote:
> > Here's a few answers. > > > 2. XmlHTTPrequest object, returns XHR request as obj or string, YUI > callback augments object, jQuery callback augments string > > 4. http://www.json.org/ > > 5. block / inline > > 6. > assume allLayer is array of layer1 and layer2 > YAHOO.util.Dom.setStyle(allLayer, "opacity", 66%); > YAHOO.util.Dom.setStyle(allLayer[0], "backgroundColor", "#000"); > > > > > On Dec 29, 7:47 pm, "Angel Marquez" <angel.marq...@gmail.com> wrote: > > *(required) Q: *Describe the difference in result of the JavaScript DOM > > methods getElementById and getElementsByClassName. > > > > *2. (required) *Given this JavaScript statement: > > * > > ** objXHR.open('GET',**' HYPERLINK "http://"http://myURL.com > ',true** > > );** > > * > > a.* Q:* What, probably, is the type of the object named "objXHR"? > > > > b.* Q: *What is the purpose of each of the parameters being > passed > > to the "open" method? > > > > *Q: *If an absolute URL is passed in the second argument, what kind of > > restriction *usually *applies? > > > > * 3. (required) *How would you *(a) *declare and then *(b) *instantiate > a > > JavaScript class to describe a "Square" object, taking one argument in > its > > constructor? The instance of a Square should have sides 4 units in > length. > > *( c )*What properties might a Square object have and how would they be > > coded? > > > > *a.* declare: function Square(numericSideArgument) { > > ... (some other stuff) > > } > > *b.* use: var mySquare = new Square(4); > > *c.* methods: *perimeter*, coded as "this.perimeter = > > numericSideArgument * 4;" > > *area*, coded as "this.area = > > numericSideArgument ^ 2;" (squared, i.e. width * height) > > So, the whole definition of Square would be: > > > > function Square(numericSideArgument) { > > > > this.perimeter = numericSideArgument * 4; > > this.area = numericSideArgument ^ 2; > > return this; > > > > } > > > > So, *Q: *"mySquare.perimeter" would equal? > > > > *Q: *"mySquare.area" would equal *?* > > > > * 4.* *(desired) *An object called "auto" has an "id" attribute with > value > > of "taurus" and a "color" attribute with value "blue". Additionally, it > has > > a child object "radio", which contains an array "knob" which contains > three > > items with names and shapes: > > > > name: power, shape: round > > > > name: tune, shape: oval > > > > name: scan, shape: square > > > > *Q: *What does the acronym JSON stand for? > > *Q: *What does this object look like in JSON? > > > > * BONUS 5.* *(CSS-related)* Describe the difference between a <DIV> > > element versus a <SPAN>. > > > > ** > > > > * BONUS 6.* *(Advanced JavaScript and YUI)* If I have a JavaScript > > collection object "YAHOO.util.Dom" with a member method "setStyle" that > > takes three arguments > > > > "an array of element id's" > > > > "a css property name", and > > > > "a single float value", > > > > ...*Q: *how would I write the *single *line of JavaScript that sets the > > transparency of DIV's "layer1" and "layer2" to "66%"? > > > > *Q:* How would I write the single line of JavaScript that sets > the > > background color of only DIV "layer1" to hexadecimal "black"? > > > > *Q: *If there was another method which DID take a single-value, > > non-array, in that first argument, in object-oriented terminology, the > > method would be said to be "what"? > > > > *Q: *Does JavaScript support overloading? > > > > *BONUS 7:* *(Super-impressive)* *Q: *Can you summarize the > > definition of "JavaScript enclosures"? >
