JavaScript: The Good Parts by Douglas Crockford Publisher: O ...

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2 Table 2-1. Operator precedence . [] ( )Refinement and invocationdelete new typeof + - !Unary operators* / %Multiplication, division, modulo+ -Addition/concatenation, subtraction>=
Invocation causes the execution of a function value. The invocation operator is a pair of parentheses that follow the function value. The parentheses can contain arguments that will be delivered to the function. There will be much more about functions in Chapter 4. A refinement is used to specify a property or element of an object or array. This will be described in detail in the next chapter. 3 3
Page 1 and 2: JavaScript: The Good Parts by Dougl
Page 5 and 6: Section C.9. Expression Statements
Page 9 and 10: Dedication For the Lads: Clement, P
Page 11 and 12: Preface If we offend, it is with ou
Page 13 and 14: I want to thank the people I worked
Page 15 and 16: Chapter 1. Good Parts ...setting th
Page 17 and 18: Chapter 1. Good Parts ...setting th
Page 19 and 20: 1.2. Analyzing JavaScript JavaScrip
Page 21 and 22: 1.3. A Simple Testing Ground If you
Page 23 and 24: Chapter 2. Grammar I know it well:
Page 25 and 26: Chapter 2. Grammar I know it well:
Page 27 and 28: 2.2. Names A name is a letter optio
Page 29 and 30: 2.3. Numbers JavaScript has a singl
Page 31 and 32: 2.4. Strings A string literal can b
Page 33 and 34: 2.5. Statements A compilation unit
Page 35 and 36: The switch statement performs a mul
Page 37 and 38: The try statement executes a block
Page 39: 2.6. Expressions The simplest expre
Page 43 and 44: 2.7. Literals Object literals are a
Page 45 and 46: 2.8. Functions A function literal d
Page 47 and 48: Chapter 3. Objects Upon a homely ob
Page 49 and 50: Chapter 3. Objects Upon a homely ob
Page 51 and 52: 3.2. Retrieval Values can be retrie
Page 53 and 54: 3.3. Update A value in an object ca
Page 55 and 56: 3.4. Reference Objects are passed a
Page 57 and 58: 3.5. Prototype Every object is link
Page 59 and 60: 3.6. Reflection It is easy to inspe
Page 61 and 62: 3.7. Enumeration The for in stateme
Page 63 and 64: 3.8. Delete The delete operator can
Page 65 and 66: 3.9. Global Abatement JavaScript ma
Page 67 and 68: Chapter 4. Functions Why, every fau
Page 69 and 70: Chapter 4. Functions Why, every fau
Page 71 and 72: 4.2. Function Literal Function obje
Page 73 and 74: 4.3. Invocation Invoking a function
Page 75 and 76: document.writeln(myQuo.get_status(
Page 77 and 78: 4.4. Arguments A bonus parameter th
Page 79 and 80: 4.5. Return When a function is invo
Page 81 and 82: 4.6. Exceptions JavaScript provides
Page 83 and 84: 4.7. Augmenting Types JavaScript al
Page 85 and 86: 4.8. Recursion A recursive function
Page 87 and 88: 4.9. Scope Scope in a programming l
Page 89 and 90: 4.10. Closure The good news about s
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}; } } // END BAD EXAMPLE The add_t
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4.11. Callbacks Functions can make
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4.12. Module We can use functions a
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4.13. Cascade Some methods do not h
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4.14. Curry Functions are values, a
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4.15. Memoization Functions can use
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Chapter 5. Inheritance Divides one
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eturn s; }; Cat.prototype.get_name
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Chapter 5. Inheritance Divides one
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eturn s; }; Cat.prototype.get_name
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5.2. Object Specifiers It sometimes
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5.3. Prototypal In a purely prototy
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5.4. Functional One weakness of the
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}; for (i = 0; i < n; i += 1) { if
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5.5. Parts We can compose objects o
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Chapter 6. Arrays Thee I'll chase h
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Chapter 6. Arrays Thee I'll chase h
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6.2. Length Every array has a lengt
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6.3. Delete Since JavaScript's arra
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6.4. Enumeration Since JavaScript's
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6.5. Confusion A common error in Ja
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6.6. Methods JavaScript provides a
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6.7. Dimensions JavaScript arrays u
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Chapter 7. Regular Expressions Wher
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Regular expressions cannot be broke
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The $ represents the end of the str
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Chapter 7. Regular Expressions Wher
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Regular expressions cannot be broke
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The $ represents the end of the str
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7.2. Construction There are two way
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7.3. Elements Let's look more close
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The backslash character indicates e
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Code View: (?:!|"|#|\$|%|&|'|$|$|
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Chapter 8. Methods Though this be m
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array.slice(start, end ) The slice
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is not guaranteed to produce the co
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Function Number var a = ['a', 'b',
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Object RegExp The most common case,
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String // [3] regexp.test(string )
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it produces an array of all the mat
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is 'and' var c = text.slice(-5); //
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Chapter 9. Style Here is a silly st
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i = 0; // Set i to zero. In JavaScr
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Chapter 10. Beautiful Features Thus
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Appendix A. Awful Parts That will p
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Appendix A. Awful Parts That will p
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A.2. Scope JavaScript's syntax come
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A.3. Semicolon Insertion JavaScript
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A.4. Reserved Words The following w
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A.5. Unicode JavaScript was designe
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A.6. typeof The typeof operator ret
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A.7. parseInt parseInt is a functio
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A.8. + The + operator can add or co
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A.9. Floating Point Binary floating
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A.10. NaN The value NaN is a specia
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A.11. Phony Arrays JavaScript does
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A.12. Falsy Values JavaScript has a
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A.13. hasOwnProperty In Chapter 3,
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A.14. Object JavaScript's objects a
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Appendix B. Bad Parts And, I pray t
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Appendix B. Bad Parts And, I pray t
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B.2. with Statement JavaScript has
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B.3. eval The eval function passes
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B.4. continue Statement The continu
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B.5. switch Fall Through The switch
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B.6. Block-less Statements An if or
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B.7. ++ -- The increment and decrem
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B.8. Bitwise Operators JavaScript h
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B.9. The function Statement Versus
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B.10. Typed Wrappers JavaScript has
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B.11. new JavaScript's new operator
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B.12. void In many languages, void
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Appendix C. JSLint What error drive
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Appendix C. JSLint What error drive
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C.2. Members Since JavaScript is a
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C.3. Options The implementation of
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C.4. Semicolon JavaScript uses a C-
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C.5. Line Breaking As a further def
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C.6. Comma The comma operator can l
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C.7. Required Blocks JSLint expects
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C.8. Forbidden Blocks In many langu
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C.9. Expression Statements An expre
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C.10. for in Statement The for in s
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C.11. switch Statement A common err
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C.12. var Statement JavaScript allo
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C.13. with Statement The with state
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C.14. = JSLint does not expect to s
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C.15. == and != The == and != opera
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C.16. Labels JavaScript allows any
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C.17. Unreachable Code JSLint expec
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C.18. Confusing Pluses and Minuses
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C.19. ++ and -- The ++ (increment)
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C.20. Bitwise Operators JavaScript
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C.21. eval Is Evil The eval functio
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C.22. void In most C-like languages
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C.23. Regular Expressions Regular e
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C.24. Constructors and new Construc
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C.25. Not Looked For JSLint does no
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C.26. HTML JSLint is able to handle
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C.27. JSON JSLint can also check th
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C.28. Report If JSLint is able to c
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Appendix D. Syntax Diagrams Thou ma
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3 3
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5 5
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7 7
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9 9
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11 11
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Appendix E. JSON Farewell: the leis
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That's it. That is all of JSON. JSO
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Appendix E. JSON Farewell: the leis
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That's it. That is all of JSON. JSO
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E.2. Using JSON Securely JSON is pa
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E.3. A JSON Parser This is an imple
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}, } } error("Bad string"); white =
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} error("Syntax error"); // If ther
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Appendix. Colophon The animal on th
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Index [SYMBOL] [A] [B] [C] [D] [E]
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