oAuth, 830–833, 832f

Object literal notation, 380–381

Object-oriented languages, 349, 367

Objects (JavaScript), 380–387, 383f

• built-in, 366

• coercion of primitives, 381c

• creation

  • constructed form, 381–382

  • object literal notation, 380–381

• destruction, 382–384

• element node, 424–425, 425t

• event, 440

• functions with, 396–397

• memory impact of functions in, 488f

Objects (PHP), 643–652

• classes, relationship, 643f

• fetching, 741–743

• instantiation, 644–645

• methods, 646–648

• populating via PDO, 742c

• properties, 645

• serialization, 792

• structure, 643

Off Canvas pattern, 318

Offline first, 528

OGG, 270, 271

One-to-many relationship, 722

• diagramming, 723f

One-to-one relationship, 722

One-way hash, 661

Opacity, 247–248

• settings, 248f

• specification, 248f

Open Graph (OG)

• actors/apps/actions/objects, 964f

• Debugger, 965f

• Markup, 966c

• meta tags, 965

• Objects, creation, 965

• semantic tags, usage, 965

• tags, relationship, 966f

Open Group (XA standard), 730

OpenID, 833

Open mail relay, 871–872

Operating systems, 33, 69–70

<optgroup> element, 207

<option> element, usage, 207–208

Ordered lists, 100

Ordered map, 635

Organization-Validated (OV) Certificates, 844

ORM (Object-Relational Mapping) framework, 764

OSX MAMP software stack (Apple), 69

Output

• components, 618f

• flexibility, improvement, 123

• JavaScript, 362–364, 362t

• writing, 614–615

overflow property (CSS)

• example, 162f

Overloading, 629