FreePic2Pdf_bkmk_corrected.txt

1. The JavaScript language	1
	1.1 An introduction	2
		1.1.1 An Introduction to JavaScript	3
		1.1.2 Manuals and specifications	9
		1.1.3 Code editors	12
		1.1.4 Developer console	16
	1.2 JavaScript Fundamentals	20
		1.2.1 Hello, world!	21
		1.2.2 Code structure	27
		1.2.3 The modern mode, "use strict"	33
		1.2.4 Variables	37
		1.2.5 Data types	47
		1.2.6 Interaction: alert, prompt, confirm	57
		1.2.7 Type Conversions	64
		1.2.8 Basic operators, maths	74
		1.2.9 Comparisons	88
		1.2.10 Conditional branching: if, '?'	95
		1.2.11 Logical operators	105
		1.2.12 Nullish coalescing operator '??'	116
		1.2.13 Loops: while and for	123
		1.2.14 The "switch" statement	137
		1.2.15 Functions	143
		1.2.16 Function expressions	158
		1.2.17 Arrow functions, the basics	168
		1.2.18 JavaScript specials	174
	1.3 Code quality	183
		1.3.1 Debugging in the browser	184
		1.3.2 Coding Style	193
		1.3.3 Comments	205
		1.3.4 Ninja code	213
		1.3.5 Automated testing with Mocha	221
		1.3.6 Polyfills and transpilers	235
	1.4 Objects: the basics	240
		1.4.1 Objects	241
		1.4.2 Object references and copying	256
		1.4.3 Garbage collection	266
		1.4.4 Object methods, "this"	277
		1.4.5 Constructor, operator "new"	287
		1.4.6 Optional chaining '?.'	298
		1.4.7 Symbol type	306
		1.4.8 Object to primitive conversion	315
	1.5 Data types	323
		1.5.1 Methods of primitives	324
		1.5.2 Numbers	331
		1.5.3 Strings	347
		1.5.4 Arrays	361
		1.5.5 Array methods	378
		1.5.6 Iterables	402
		1.5.7 Map and Set	414
		1.5.8 WeakMap and WeakSet	425
		1.5.9 Object.keys, values, entries	436
		1.5.10 Destructuring assignment	441
		1.5.11 Date and time	456
		1.5.12 JSON methods, toJSON	472
	1.6 Advanced working with functions	487
		1.6.1 Recursion and stack	488
		1.6.2 Rest parameters and spread syntax	505
		1.6.3 Variable scope, closure	514
		1.6.4 The old "var"	533
		1.6.5 Global object	542
		1.6.6 Function object, NFE	546
		1.6.7 The "new Function" syntax	557
		1.6.8 Scheduling: setTimeout and setInterval	563
		1.6.9 Decorators and forwarding, call/apply	575
		1.6.10 Function binding	591
		1.6.11 Arrow functions revisited	603
	1.7 Object properties configuration	611
		1.7.1 Property flags and descriptors	612
		1.7.2 Property getters and setters	622
	1.8 Prototypes, inheritance	630
		1.8.1 Prototypal inheritance	631
		1.8.2 F.prototype	644
		1.8.3 Native prototypes	653
		1.8.4 Prototype methods, objects without __proto__	663
	1.9 Classes	673
		1.9.1 Class basic syntax	674
		1.9.2 Class inheritance	687
		1.9.3 Static properties and methods	705
		1.9.4 Private and protected properties and methods	714
		1.9.5 Extending built-in classes	726
		1.9.6 Class checking: "instanceof"	731
		1.9.7 Mixins	739
	1.10 Error handling	748
		1.10.1 Error handling, "try...catch"	749
		1.10.2 Custom errors, extending Error	766
	1.11 Promises, async/await	776
		1.11.1 Introduction: callbacks	777
		1.11.2 Promise	785
		1.11.3 Promises chaining	797
		1.11.4 Error handling with promises	809
		1.11.5 Promise API	817
		1.11.6 Promisification	826
		1.11.7 Microtasks	833
		1.11.8 Async/await	839
	1.12 Generators, advanced iteration	850
		1.12.1 Generators	851
		1.12.2 Async iteration and generators	865
	1.13 Modules	877
		1.13.1 Modules, introduction	878
		1.13.2 Export and Import	891
		1.13.3 Dynamic imports	903
	1.14 Miscellaneous	909
		1.14.1 Proxy and Reflect	910
		1.14.2 Eval: run a code string	937
		1.14.3 Currying	942
		1.14.4 Reference Type	951
		1.14.5 BigInt	956
		1.14.6 Unicode, String internals	963
2. Browser: Document, Events, Interfaces	967
	2.1 Document	968
		2.1.1 Browser environment, specs	969
		2.1.2 DOM tree	974
		2.1.3 Walking the DOM	985
		2.1.4 Searching: getElement*, querySelector*	998
		2.1.5 Node properties: type, tag and contents	1008
		2.1.6 Attributes and properties	1023
		2.1.7 Modifying the document	1036
		2.1.8 Styles and classes	1061
		2.1.9 Element size and scrolling	1072
		2.1.10 Window sizes and scrolling	1087
		2.1.11 Coordinates	1093
	2.2 Introduction to Events	1109
		2.2.1 Introduction to browser events	1110
		2.2.2 Bubbling and capturing	1126
		2.2.3 Event delegation	1137
		2.2.4 Browser default actions	1151
		2.2.5 Dispatching custom events	1165
	2.3 UI Events	1174
		2.3.1 Mouse events	1175
		2.3.2 Moving the mouse: mouseover/out, mouseenter/leave	1186
		2.3.3 Drag'n'Drop with mouse events	1210
		2.3.4 Pointer events	1222
		2.3.5 Keyboard: keydown and keyup	1231
		2.3.6 Scrolling	1242
	2.4 Forms, controls	1249
		2.4.1 Form properties and methods	1250
		2.4.2 Focusing: focus/blur	1259
		2.4.3 Events: change, input, cut, copy, paste	1272
		2.4.4 Forms: event and method submit	1279
	2.5 Document and resource loading	1284
		2.5.1 Page: DOMContentLoaded, load, beforeunload, unload	1285
		2.5.2 Scripts: async, defer	1296
		2.5.3 Resource loading: onload and onerror	1304
	2.6 Miscellaneous	1312
		2.6.1 Mutation observer	1313
		2.6.2 Selection and Range	1323
		2.6.3 Event loop: microtasks and macrotasks	1341
3. Additional articles	1352
	3.1 Frames and windows	1353
		3.1.1 Popups and window methods	1354
		3.1.2 Cross-window communication	1363
		3.1.3 The clickjacking attack	1375
	3.2 Binary data, files	1384
		3.2.1 ArrayBuffer, binary arrays	1385
		3.2.2 TextDecoder and TextEncoder	1396
		3.2.3 Blob	1400
		3.2.4 File and FileReader	1409
	3.3 Network requests	1417
		3.3.1 Fetch	1418
		3.3.2 FormData	1428
		3.3.3 Fetch: Download progress	1436
		3.3.4 Fetch: Abort	1442
		3.3.5 Fetch: Cross-Origin Requests	1446
		3.3.6 Fetch API	1459
		3.3.7 URL objects	1466
		3.3.8 XMLHttpRequest	1474
		3.3.9 Resumable file upload	1486
		3.3.10 Long polling	1490
		3.3.11 WebSocket	1500
		3.3.12 Server Sent Events	1511
	3.4 Storing data in the browser	1519
		3.4.1 Cookies, document.cookie	1520
		3.4.2 LocalStorage, sessionStorage	1532
		3.4.3 IndexedDB	1540
	3.5 Animation	1560
		3.5.1 Bezier curve	1561
		3.5.2 CSS-animations	1573
		3.5.3 JavaScript animations	1597
	3.6 Web components	1614
		3.6.1 From the orbital height	1615
		3.6.2 Custom elements	1619
		3.6.3 Shadow DOM	1631
		3.6.4 Template element	1637
		3.6.5 Shadow DOM slots, composition	1640
		3.6.6 Shadow DOM styling	1651
		3.6.7 Shadow DOM and events	1658
	3.7 Regular expressions	1664
		3.7.1 Patterns and flags	1665
		3.7.2 Character classes	1671
		3.7.3 Unicode: flag "u" and class \p{...}	1676
		3.7.4 Anchors: string start ^ and end $	1682
		3.7.5 Multiline mode of anchors ^ $, flag "m"	1686
		3.7.6 Word boundary: \b	1690
		3.7.7 Escaping, special characters	1694
		3.7.8 Sets and ranges [...]	1697
		3.7.9 Quantifiers +, *, ? and {n}	1703
		3.7.10 Greedy and lazy quantifiers	1707
		3.7.11 Capturing groups	1718
		3.7.12 Backreferences in pattern: \N and \k<name>	1730
		3.7.13 Alternation (OR) |	1733
		3.7.14 Lookahead and lookbehind	1739
		3.7.15 Catastrophic backtracking	1745
		3.7.16 Sticky flag "y", searching at position	1752
		3.7.17 Methods of RegExp and String	1756