Guia de JavaScript

La Guia de JavaScript mostra com utilitzar JavaScript a l'hora que proporciona una visió general del llenguatge. Per a començar amb JavaScript o a programar en general podeu consultar els article de l'zona d'aprenentatge. Per a informació exhaustiva sobre qualsevol característica del llenguatge podeu consultar la referència de JavaScript.

Capítols

Aquesta guia es divideix en diversos capítols:

Next »

Related Topics
  1. JavaScript
  2. Tutorials:
  3. Complete beginners
    1. JavaScript basics
    2. JavaScript first steps
    3. JavaScript building blocks
    4. Introducing JavaScript objects
  4. JavaScript Guide
    1. Introduction
    2. Grammar and types
    3. Control flow and error handling
    4. Loops and iteration
    5. Functions
    6. Expressions and operators
    7. Numbers and dates
    8. Text formatting
    9. Regular expressions
    10. Indexed collections
    11. Keyed collections
    12. Working with objects
    13. Details of the object model
    14. Using promises
    15. Iterators and generators
    16. Meta programming
  5. Intermediate
    1. Introducing JavaScript objects
    2. Client-side web APIs
    3. A re-introduction to JavaScript
    4. JavaScript data structures
    5. Equality comparisons and sameness
    6. Closures
  6. Advanced
    1. Inheritance and the prototype chain
    2. Strict mode
    3. JavaScript typed arrays
    4. Memory Management
    5. Concurrency model and Event Loop
  7. References:
  8. Built-in objects
    1. Array
    2. ArrayBuffer [Traduir]
    3. AsyncFunction [Traduir]
    4. Atomics [Traduir]
    5. BigInt [Traduir]
    6. Boolean
    7. DataView
    8. Date
    9. Error
    10. EvalError
    11. Float32Array [Traduir]
    12. Float64Array [Traduir]
    13. Function
    14. Generator [Traduir]
    15. GeneratorFunction [Traduir]
    16. Infinity
    17. Int16Array [Traduir]
    18. Int32Array [Traduir]
    19. Int8Array [Traduir]
    20. InternalError [Traduir]
    21. Intl [Traduir]
    22. Intl.Collator [Traduir]
    23. Intl.DateTimeFormat [Traduir]
    24. Intl.ListFormat [Traduir]
    25. Intl.NumberFormat [Traduir]
    26. Intl.PluralRules [Traduir]
    27. Intl.RelativeTimeFormat [Traduir]
    28. JSON
    29. Map
    30. Math
    31. NaN
    32. Number
    33. Object
    34. Promesa
    35. Proxy [Traduir]
    36. RangeError [Traduir]
    37. ReferenceError [Traduir]
    38. Reflect [Traduir]
    39. RegExp [Traduir]
    40. Set
    41. SharedArrayBuffer [Traduir]
    42. String
    43. Symbol [Traduir]
    44. SyntaxError
    45. TypeError
    46. TypedArray [Traduir]
    47. URIError [Traduir]
    48. Uint16Array [Traduir]
    49. Uint32Array [Traduir]
    50. Uint8Array [Traduir]
    51. Uint8ClampedArray [Traduir]
    52. WeakMap
    53. WeakSet
    54. WebAssembly [Traduir]
    55. decodeURI() [Traduir]
    56. decodeURIComponent() [Traduir]
    57. encodeURI() [Traduir]
    58. encodeURIComponent() [Traduir]
    59. escape() [Traduir]
    60. eval() [Traduir]
    61. isFinite() [Traduir]
    62. isNaN() [Traduir]
    63. null
    64. parseFloat()
    65. parseInt() [Traduir]
    66. undefined
    67. unescape() [Traduir]
    68. uneval() [Traduir]
  9. Expressions & operators
    1. Operadors aritmètics
    2. Array comprehensions [Traduir]
    3. Assignment operators
    4. Operadors de bits
    5. Operador Coma
    6. Comparison operators [Traduir]
    7. Operador Condicional (ternari)
    8. Destructuring assignment [Traduir]
    9. Expression closures [Traduir]
    10. Generator comprehensions [Traduir]
    11. Operador d'agrupament
    12. Legacy generator function expression [Traduir]
    13. Operadors Lògics
    14. Object initializer [Traduir]
    15. Operator precedence [Traduir]
    16. Pipeline operator [Traduir]
    17. Property accessors [Traduir]
    18. Spread syntax [Traduir]
    19. async function expression [Traduir]
    20. await [Traduir]
    21. class expression [Traduir]
    22. Operador delete
    23. function expression
    24. function* expression [Traduir]
    25. in operator [Traduir]
    26. instanceof [Traduir]
    27. new operator [Traduir]
    28. new.target [Traduir]
    29. super
    30. this [Traduir]
    31. typeof
    32. L'operador void
    33. yield
    34. yield* [Traduir]
  10. Statements & declarations
    1. Legacy generator function [Traduir]
    2. async function [Traduir]
    3. block
    4. break
    5. class [Traduir]
    6. const [Traduir]
    7. continue
    8. debugger
    9. default [Traduir]
    10. do...while
    11. Buida
    12. export
    13. for
    14. for await...of [Traduir]
    15. for each...in [Traduir]
    16. for...in [Traduir]
    17. for...of
    18. function
    19. function* [Traduir]
    20. if...else
    21. import [Traduir]
    22. import.meta [Traduir]
    23. label [Traduir]
    24. let [Traduir]
    25. return
    26. switch [Traduir]
    27. throw
    28. try...catch [Traduir]
    29. var
    30. while
    31. with [Traduir]
  11. Functions
    1. Arrow functions [Traduir]
    2. Default parameters [Traduir]
    3. Method definitions [Traduir]
    4. Paràmetres rest
    5. Arguments object
    6. getter
    7. setter [Traduir]
  12. Classes
    1. constructor
    2. extends [Traduir]
    3. static
  13. Errors
    1. Error: Permission denied to access property "x" [Traduir]
    2. InternalError: too much recursion [Traduir]
    3. RangeError: argument is not a valid code point [Traduir]
    4. RangeError: invalid array length [Traduir]
    5. RangeError: invalid date [Traduir]
    6. RangeError: precision is out of range [Traduir]
    7. RangeError: radix must be an integer [Traduir]
    8. RangeError: repeat count must be less than infinity [Traduir]
    9. RangeError: repeat count must be non-negative [Traduir]
    10. ReferenceError: "x" is not defined [Traduir]
    11. ReferenceError: assignment to undeclared variable "x" [Traduir]
    12. ReferenceError: can't access lexical declaration`X' before initialization [Traduir]
    13. ReferenceError: deprecated caller or arguments usage [Traduir]
    14. ReferenceError: invalid assignment left-hand side [Traduir]
    15. ReferenceError: reference to undefined property "x" [Traduir]
    16. SyntaxError: "0"-prefixed octal literals and octal escape seq. are deprecated [Traduir]
    17. SyntaxError: "use strict" not allowed in function with non-simple parameters [Traduir]
    18. SyntaxError: "x" is a reserved identifier [Traduir]
    19. SyntaxError: JSON.parse: bad parsing [Traduir]
    20. SyntaxError: Malformed formal parameter [Traduir]
    21. SyntaxError: Unexpected token [Traduir]
    22. SyntaxError: Using //@ to indicate sourceURL pragmas is deprecated. Use //# instead [Traduir]
    23. SyntaxError: a declaration in the head of a for-of loop can't have an initializer [Traduir]
    24. SyntaxError: applying the 'delete' operator to an unqualified name is deprecated [Traduir]
    25. SyntaxError: for-in loop head declarations may not have initializers [Traduir]
    26. SyntaxError: function statement requires a name [Traduir]
    27. SyntaxError: identifier starts immediately after numeric literal [Traduir]
    28. SyntaxError: illegal character [Traduir]
    29. SyntaxError: invalid regular expression flag "x" [Traduir]
    30. SyntaxError: missing ) after argument list [Traduir]
    31. SyntaxError: missing ) after condition [Traduir]
    32. SyntaxError: missing : after property id [Traduir]
    33. SyntaxError: missing ; before statement [Traduir]
    34. SyntaxError: missing = in const declaration [Traduir]
    35. SyntaxError: missing ] after element list [Traduir]
    36. SyntaxError: missing formal parameter [Traduir]
    37. SyntaxError: missing name after . operator [Traduir]
    38. SyntaxError: missing variable name [Traduir]
    39. SyntaxError: missing } after function body [Traduir]
    40. SyntaxError: missing } after property list [Traduir]
    41. SyntaxError: redeclaration of formal parameter "x" [Traduir]
    42. SyntaxError: return not in function [Traduir]
    43. SyntaxError: test for equality (==) mistyped as assignment (=)? [Traduir]
    44. SyntaxError: unterminated string literal [Traduir]
    45. TypeError: "x" has no properties [Traduir]
    46. TypeError: "x" is (not) "y" [Traduir]
    47. TypeError: "x" is not a constructor [Traduir]
    48. TypeError: "x" is not a function [Traduir]
    49. TypeError: "x" is not a non-null object [Traduir]
    50. TipusError: "x" es només de lectura
    51. TypeError: 'x' is not iterable [Traduir]
    52. TypeError: More arguments needed [Traduir]
    53. TypeError: Reduce of empty array with no initial value [Traduir]
    54. TypeError: can't access dead object [Traduir]
    55. TypeError: can't access property "x" of "y" [Traduir]
    56. TypeError: can't define property "x": "obj" is not extensible [Traduir]
    57. TypeError: can't delete non-configurable array element [Traduir]
    58. TypeError: can't redefine non-configurable property "x" [Traduir]
    59. TypeError: cannot use 'in' operator to search for 'x' in 'y' [Traduir]
    60. TypeError: cyclic object value [Traduir]
    61. TypeError: invalid 'instanceof' operand 'x' [Traduir]
    62. TypeError: invalid Array.prototype.sort argument [Traduir]
    63. TypeError: invalid arguments [Traduir]
    64. TypeError: invalid assignment to const "x" [Traduir]
    65. TypeError: property "x" is non-configurable and can't be deleted [Traduir]
    66. TypeError: setting getter-only property "x" [Traduir]
    67. TypeError: variable "x" redeclares argument [Traduir]
    68. URIError: malformed URI sequence [Traduir]
    69. Warning: -file- is being assigned a //# sourceMappingURL, but already has one [Traduir]
    70. Warning: 08/09 is not a legal ECMA-262 octal constant [Traduir]
    71. Warning: Date.prototype.toLocaleFormat is deprecated [Traduir]
    72. Warning: JavaScript 1.6's for-each-in loops are deprecated [Traduir]
    73. Warning: String.x is deprecated; use String.prototype.x instead [Traduir]
    74. Warning: expression closures are deprecated [Traduir]
    75. Warning: unreachable code after return statement [Traduir]
    76. X.prototype.y called on incompatible type [Traduir]
  14. Misc
    1. JavaScript technologies overview
    2. Lexical grammar
    3. JavaScript data structures
    4. Enumerability and ownership of properties
    5. Iteration protocols
    6. Strict mode
    7. Transitioning to strict mode
    8. Template literals
    9. Deprecated features
  15. New in JavaScript
    1. ECMAScript 6 support in Mozilla
    2. ECMAScript 5 support in Mozilla [Traduir]
    3. ECMAScript Next support in Mozilla [Traduir]
    4. Firefox JavaScript changelog [Traduir]
    5. New in JavaScript 1.1 [Traduir]
    6. New in JavaScript 1.2 [Traduir]
    7. New in JavaScript 1.3 [Traduir]
    8. New in JavaScript 1.4 [Traduir]
    9. New in JavaScript 1.5 [Traduir]
    10. New in JavaScript 1.6 [Traduir]
    11. New in JavaScript 1.7 [Traduir]
    12. New in JavaScript 1.8 [Traduir]
    13. New in JavaScript 1.8.1 [Traduir]
    14. New in JavaScript 1.8.5 [Traduir]
  16. Documentation:
  17. Useful lists
    1. All pages index
    2. Methods index
    3. Properties index
    4. Pages tagged "JavaScript"
  18. Contribute
    1. JavaScript doc status
    2. The MDN project