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remove extra whitespace, explain NaN

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Gabriel Halley 2015-10-07 22:22:12 -04:00
parent 5c677e8071
commit a793d16e37
1 changed files with 6 additions and 6 deletions
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@ -64,7 +64,7 @@ doStuff()
// There are three special not-a-real-number values: // There are three special not-a-real-number values:
Infinity; // result of e.g. 1/0 Infinity; // result of e.g. 1/0
-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. // There's also a boolean type.
true; true;
@ -189,7 +189,7 @@ myObj.myFourthKey; // = undefined
/////////////////////////////////// ///////////////////////////////////
// 3. Logic and Control Structures // 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. // The `if` structure works as you'd expect.
var count = 1; var count = 1;
@ -231,8 +231,8 @@ var name = otherName || "default";
// The `switch` statement checks for equality with `===`. // The `switch` statement checks for equality with `===`.
// use 'break' after each case // use 'break' after each case
// or the cases after the correct one will be executed too. // or the cases after the correct one will be executed too.
grade = 'B'; grade = 'B';
switch (grade) { switch (grade) {
case 'A': case 'A':
@ -516,12 +516,12 @@ more about how to use JavaScript in web pages, start by learning about the
[Document Object [Document Object
Model](https://developer.mozilla.org/en-US/docs/Using_the_W3C_DOM_Level_1_Core) 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 [JavaScript Garden](http://bonsaiden.github.io/JavaScript-Garden/) is an in-depth
guide of all the counter-intuitive parts of the language. 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 In addition to direct contributors to this article, some content is adapted
from Louie Dinh's Python tutorial on this site, and the [JS from Louie Dinh's Python tutorial on this site, and the [JS