INDEX

A

alert() 16–17

API 5

arguments 49

arrays 37–41, 79

ASI 20–21

async 10–11

B

blocking requests 10–11

Boolean 30, 56, 60, 65

Boston Globe 125

Boston Marathon 125

brackets 40–43

break 89–91, 107

C

case-sensitivity 20, 67

Chrome 13–15

comments 22

single-line 22–23

condition 86

console 14–19

continue 89–91, 107

Croll, Angus 128

D

data types

number 25

primitive 25

debugging 14–18

defer 11

dev tools 13–14

DOM 5, 92–96

events 108–124

scripting 97–107

tree 6

DOM API 96

DRY 60, 68, 74, 113

E

equality 58

expressions

grouping 65

F

Filament Group 125

Flickr 5

functions 48–53

G

Geocities 16

global scope 122

H

hasOwnProperty 84–86

Haverbeke, Marijn 129

Herman, David 129

HTML5 8

I

identifiers 34–36, 102

if/else 54–58

IIFE 122–124

indexes 38

inequality 61–63

Internet Explorer 18

interpreter 2

J

Jehl, Scott 11, 125, 128

jQuery 5

K

key/value 43

keywords 35

L

LiveScript 2

loops 75, 106

do/while 87–89

for 75–78

for/in 78–80, 84

infinite 91

while

M

Mac 14

Marcotte, Ethan 125

Modernizr 10

Mozilla Developer Network 128

N

NaN 24, 59

node 5

node lists 95, 105

notation

bracket 45–48, 79

dot 45–47

object literal 44–45

null 30

O

object types 31, 52–53

window 92–94

operator

comparison 58

logical 64

logical NOT 61–62

relational 63–64

Order of Operations 26

P

parentheses 41

PC 14

presentational layer 3

progressive enhancement 108, 124–126, 128

properties 43

prototype 80–84

prototypal inheritance 80

R

refactor 61

REPL 14, 18–19, 33

S

script

external 8, 11–12

loading 11

placement 9

remote 9

semicolons 20–21

statements

conditional 54–58

control flow 53

switch 69–74

Stefanov, Stoyan 129

strings 27–29

concatenation 29, 50

structural layer 3

stylesheet 7–9, 97

syntax

errors 15

highlighting 13, 35

T

text editor 12–13

type coercion 25, 50

U

undefined 29, 33

using parentheses 66

V

validation 3

values

falsy 59–61

truthy 59–61

variables 31–37

variable scope 36–37

global 36

local 36

W

white space 21

whitespace 44

Z

zero-indexed 39, 43