IDE. See Integrated Development Environment

Id selectors, 135–136

• example, 135f

if . . . else statement. See Conditionals

<iframe>, 319

Images, 95

• cloud services, 266–267

• color depth

  • possibilities, 250t

  • visualization, 251f

• color models, 242, 244–7

• concepts, 250–257

• enlargement vs. reduction, 253f

• file formats

  • GIF, 259, 260f, 261–264

  • JPEG, 258, 259f

  • PNG, 264, 265f

  • SVG, 264, 266f

• placeholder services, 324

• size, 251–253

• types

  • raster, 242, 243f

  • vector, 242, 243f

• white-hat SEO, 949

<img> element, 95, 98f

Immediately-invoked function expressions (IIFE), 374–376

Impact, 816, 817

Include files, 624–625

• example, 624f

include_once statement, 625

Indexed Sequential Access Method (ISAM), usage, 730

Indexes/indexing, 231, 732–733, 934, 938–939

• visualization, 733f, 938f

Information

• architect, 34

• assurance, 814

• commands, 232

• disclosure, 816

• security, 814

Infrastructure as a Service (IaaS), 905

Infrastructure as Code (IoC), 885–886

Inheritance, 143, 143f, 651–652

• display, 652f

• examples, 144f

inherit value, usage, 144f

In-house hosting, 898–899

Inline elements, 151, 151f

• block elements, combination, 152f

• example, 151f

Inline JavaScript, 356

Inner Join (SQL), 725

• usage, 726f

Input agents, 933

<input> element, 204–214

• associating with labels, 218

• button, 210t

• checkboxes, 209

• color, 213f

• date and time, 213

• number and range, 211

• radio buttons, 209

• text, 204t, 205t, 206f

Insecure direct object reference, 869–870

INSERT statement (SQL), 727

• example, 728f

Instance, 643

Instantiation, 645

Integrated Development Environment (IDE)

• full, 113, 114f

Integration tests, 884

Integrity, 814, 815f

• loss of, 816

Internal analytics, 997–999

Internal monitoring, 925–926

Internal redirection, 918, 920

Internal Web development, 38

Internationalized top-level domain name (IDN), 52

Internet

• global infrastructure, 29f

• hardware, example, 25f

• layer, 44–46

• location, 24–31

• network, packet switching example, 6f

• protocols, 43–48

• relationship between networks, 30f

• sample ISP peering, 31f

• today, 29–31

• vs. intranet, 10f

• Web subset, 5f

Internet Assigned Numbers Authority (IANA), 45

• root server authorization, 56

Internet Corporation for Assigned Names and Numbers (ICANN), 53

Internet exchange points (IX) (IXP), 30, 898

Internet Explorer (IE)

• JavaScript support, 352

• version 6 (IE6), 258

Internet Information Services (IIS), 70

Internet Message Access Protocol (IMAP), 48

Internet Protocol (IP) address, 44

• receiving, 57

• version 4 (IPv4), 44, 45f

• version 6 (IPv6), 44, 45f

Internet service provider (ISP), 26, 56

• requests, 28

Interpolation, 252f

• algorithms, 255f

Interstitial ad, 992

Intranet, 9

• external access protection, 9

• vs. Internet, 10, 10f

iPad retina displays, 256

ISO/IEC 27002-270037, 815

isset(), usage, 642

• example, 657c