remove extra whitespace, explain NaN

This commit is contained in:
Gabriel Halley 2015-10-07 22:22:12 -04:00
parent 5c677e8071
commit a793d16e37

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@ -64,7 +64,7 @@ doStuff()
// There are three special not-a-real-number values:
Infinity; // result of e.g. 1/0
-Infinity; // result of e.g. -1/0
NaN; // result of e.g. 0/0
NaN; // result of e.g. 0/0, stands for 'Not a Number'
// There's also a boolean type.
true;
@ -189,7 +189,7 @@ myObj.myFourthKey; // = undefined
///////////////////////////////////
// 3. Logic and Control Structures
// The syntax for this section is almost identical to Java's.
// The syntax for this section is almost identical to Java's.
// The `if` structure works as you'd expect.
var count = 1;
@ -231,8 +231,8 @@ var name = otherName || "default";
// The `switch` statement checks for equality with `===`.
// use 'break' after each case
// or the cases after the correct one will be executed too.
// use 'break' after each case
// or the cases after the correct one will be executed too.
grade = 'B';
switch (grade) {
case 'A':
@ -516,12 +516,12 @@ more about how to use JavaScript in web pages, start by learning about the
[Document Object
Model](https://developer.mozilla.org/en-US/docs/Using_the_W3C_DOM_Level_1_Core)
[Learn Javascript by Example and with Challenges](http://www.learneroo.com/modules/64/nodes/350) is a variant of this reference with built-in challenges.
[Learn Javascript by Example and with Challenges](http://www.learneroo.com/modules/64/nodes/350) is a variant of this reference with built-in challenges.
[JavaScript Garden](http://bonsaiden.github.io/JavaScript-Garden/) is an in-depth
guide of all the counter-intuitive parts of the language.
[JavaScript: The Definitive Guide](http://www.amazon.com/gp/product/0596805527/) is a classic guide / reference book.
[JavaScript: The Definitive Guide](http://www.amazon.com/gp/product/0596805527/) is a classic guide / reference book.
In addition to direct contributors to this article, some content is adapted
from Louie Dinh's Python tutorial on this site, and the [JS