JavaScript/Notes/Function

2013-12-02T14:31:21Z

98.210.159.67: /* Variable this */

== Variable this ==
<source lang="javascript">
function Slider(dir) {
this.dir = dir;
}
Slider.prototype.move = function(d) {
alert(this.dir + ", " + d);
};
var move = new Slider("h").move;
move(1); // Explain the result.
</source>

== Assignment ==
=== Function.prototype.call ===
1) Convert a NodeList into an Array (Hint, see lesson 1 on Array Generics).
<source lang="javascript">
var nodeList = document.body.childNodes;
// your code here!
var nodeArray;
</source>

=== Function.prototype.apply ===

1) Write a `bind` function -- roll your own, or search MDN.

2) Using `apply`, ind the latest and earliest date value in an array of Dates and construct a new Date object, respectively.
<source lang="javascript">
var mon = new Date("December 02, 2013")
var tue = new Date("December 03, 2013")
var wed = new Date("December 04, 2013")
var thu = new Date("December 05, 2013")
var fri = new Date("December 06, 2013")
var sat = new Date("December 07, 2013")
var sun = new Date("December 08, 2013")

var dates = [ thu, tue, mon, sun, fri, sat, wed ];

// your code here!
var latest;
var earliest;
</source>
Hint, see: http://ecma-international.org/ecma-262/5.1/#sec-15.8.2.11

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JavaScript/Notes/Function