remove duplicated frontmatter keys from web/javascript/* (ja)

mdn · Sep 7, 2022 · 6d8f079 · 6d8f079
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diff --git a/files/ja/web/javascript/reference/about/index.md b/files/ja/web/javascript/reference/about/index.md
@@ -1,10 +1,6 @@
 ---
 title: JavaScript リファレンスについて
 slug: Web/JavaScript/Reference/About
-tags:
-  - ガイド
-  - JavaScript
-translation_of: Web/JavaScript/Reference/About
 ---
 {{JsSidebar}}
 

diff --git a/files/ja/web/javascript/reference/classes/constructor/index.md b/files/ja/web/javascript/reference/classes/constructor/index.md
@@ -1,12 +1,6 @@
 ---
 title: コンストラクター
 slug: Web/JavaScript/Reference/Classes/constructor
-tags:
-  - Classes
-  - ECMAScript 2015
-  - JavaScript
-  - Language feature
-translation_of: Web/JavaScript/Reference/Classes/constructor
 ---
 {{jsSidebar("Classes")}}
 

diff --git a/files/ja/web/javascript/reference/classes/extends/index.md b/files/ja/web/javascript/reference/classes/extends/index.md
@@ -1,12 +1,6 @@
 ---
 title: extends
 slug: Web/JavaScript/Reference/Classes/extends
-tags:
-  - Classes
-  - ECMAScript 2015
-  - JavaScript
-  - Language feature
-translation_of: Web/JavaScript/Reference/Classes/extends
 ---
 {{jsSidebar("Classes")}}
 

diff --git a/files/ja/web/javascript/reference/classes/index.md b/files/ja/web/javascript/reference/classes/index.md
@@ -1,16 +1,6 @@
 ---
 title: クラス
 slug: Web/JavaScript/Reference/Classes
-tags:
-  - クラス
-  - コンストラクター
-  - ECMAScript 2015
-  - ガイド
-  - 継承
-  - 中級者
-  - JavaScript
-browser-compat: javascript.classes
-translation_of: Web/JavaScript/Reference/Classes
 ---
 {{JsSidebar("Classes")}}
 

diff --git a/files/ja/web/javascript/reference/classes/private_class_fields/index.md b/files/ja/web/javascript/reference/classes/private_class_fields/index.md
@@ -1,12 +1,6 @@
 ---
 title: プライベートクラス機能
 slug: Web/JavaScript/Reference/Classes/Private_class_fields
-tags:
-  - Classes
-  - Private
-  - JavaScript
-  - Language feature
-translation_of: Web/JavaScript/Reference/Classes/Private_class_fields
 ---
 {{JsSidebar("Classes")}}
 

diff --git a/files/ja/web/javascript/reference/classes/public_class_fields/index.md b/files/ja/web/javascript/reference/classes/public_class_fields/index.md
@@ -1,11 +1,6 @@
 ---
 title: パブリッククラスフィールド
 slug: Web/JavaScript/Reference/Classes/Public_class_fields
-tags:
-  - Classes
-  - JavaScript
-  - Language feature
-translation_of: Web/JavaScript/Reference/Classes/Public_class_fields
 ---
 {{JsSidebar("Classes")}}
 

diff --git a/files/ja/web/javascript/reference/classes/static/index.md b/files/ja/web/javascript/reference/classes/static/index.md
@@ -1,13 +1,6 @@
 ---
 title: static
 slug: Web/JavaScript/Reference/Classes/static
-tags:
-  - Classes
-  - ECMAScript 2015
-  - JavaScript
-  - Language feature
-  - Static
-translation_of: Web/JavaScript/Reference/Classes/static
 ---
 {{jsSidebar("Classes")}}
 

diff --git a/files/ja/web/javascript/reference/deprecated_and_obsolete_features/index.md b/files/ja/web/javascript/reference/deprecated_and_obsolete_features/index.md
@@ -1,12 +1,6 @@
 ---
 title: 非推奨の機能、廃止された機能
 slug: Web/JavaScript/Reference/Deprecated_and_obsolete_features
-tags:
-  - 非推奨
-  - ガイド
-  - JavaScript
-  - 廃止
-translation_of: Web/JavaScript/Reference/Deprecated_and_obsolete_features
 ---
 {{JsSidebar("More")}}
 

diff --git a/...eference/deprecated_and_obsolete_features/the_legacy_iterator_protocol/index.md b/...eference/deprecated_and_obsolete_features/the_legacy_iterator_protocol/index.md
@@ -1,14 +1,6 @@
 ---
 title: 古い反復子プロトコル
-slug: >-
-  Web/JavaScript/Reference/Deprecated_and_obsolete_features/The_legacy_Iterator_protocol
-tags:
-  - ES2015
-  - ガイド
-  - JavaScript
-  - 古い反復子
-translation_of: >-
-  Web/JavaScript/Reference/Deprecated_and_obsolete_features/The_legacy_Iterator_protocol
+slug: Web/JavaScript/Reference/Deprecated_and_obsolete_features/The_legacy_Iterator_protocol
 ---
 {{jsSidebar("More")}}
 

diff --git a/files/ja/web/javascript/reference/errors/already_has_pragma/index.md b/files/ja/web/javascript/reference/errors/already_has_pragma/index.md
@@ -1,13 +1,7 @@
 ---
-title: 'Warning: -file- is being assigned a //# sourceMappingURL, but already has one'
+title: 'Warning: -file- is being assigned a //# sourceMappingURL, but already has
+  one'
 slug: Web/JavaScript/Reference/Errors/Already_has_pragma
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - Source maps
-  - Warning
-translation_of: Web/JavaScript/Reference/Errors/Already_has_pragma
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/array_sort_argument/index.md b/files/ja/web/javascript/reference/errors/array_sort_argument/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'TypeError: invalid Array.prototype.sort argument'
 slug: Web/JavaScript/Reference/Errors/Array_sort_argument
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - TypeError
-translation_of: Web/JavaScript/Reference/Errors/Array_sort_argument
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/bad_octal/index.md b/files/ja/web/javascript/reference/errors/bad_octal/index.md
@@ -1,13 +1,6 @@
 ---
 title: 'Warning: 08/09 is not a legal ECMA-262 octal constant'
 slug: Web/JavaScript/Reference/Errors/Bad_octal
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - SyntaxError
-  - Warning
-translation_of: Web/JavaScript/Reference/Errors/Bad_octal
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/bad_radix/index.md b/files/ja/web/javascript/reference/errors/bad_radix/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'RangeError: radix must be an integer'
 slug: Web/JavaScript/Reference/Errors/Bad_radix
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - RangeError
-translation_of: Web/JavaScript/Reference/Errors/Bad_radix
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/bad_regexp_flag/index.md b/files/ja/web/javascript/reference/errors/bad_regexp_flag/index.md
@@ -1,11 +1,6 @@
 ---
 title: 'SyntaxError: invalid regular expression flag "x"'
 slug: Web/JavaScript/Reference/Errors/Bad_regexp_flag
-tags:
-  - Error
-  - JavaScript
-  - SyntaxError
-translation_of: Web/JavaScript/Reference/Errors/Bad_regexp_flag
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/bad_return_or_yield/index.md b/files/ja/web/javascript/reference/errors/bad_return_or_yield/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'SyntaxError: return not in function'
 slug: Web/JavaScript/Reference/Errors/Bad_return_or_yield
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - SyntaxError
-translation_of: Web/JavaScript/Reference/Errors/Bad_return_or_yield
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/called_on_incompatible_type/index.md b/files/ja/web/javascript/reference/errors/called_on_incompatible_type/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'TypeError: X.prototype.y called on incompatible type'
 slug: Web/JavaScript/Reference/Errors/Called_on_incompatible_type
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - TypeError
-translation_of: Web/JavaScript/Reference/Errors/Called_on_incompatible_type
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/...avascript/reference/errors/cant_access_lexical_declaration_before_init/index.md b/...avascript/reference/errors/cant_access_lexical_declaration_before_init/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'ReferenceError: can''t access lexical declaration`X'' before initialization'
 slug: Web/JavaScript/Reference/Errors/Cant_access_lexical_declaration_before_init
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - ReferenceError
-translation_of: Web/JavaScript/Reference/Errors/Cant_access_lexical_declaration_before_init
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/cant_assign_to_property/index.md b/files/ja/web/javascript/reference/errors/cant_assign_to_property/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'TypeError: can''t assign to property "x" on "y": not an object'
 slug: Web/JavaScript/Reference/Errors/Cant_assign_to_property
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - TypeError
-translation_of: Web/JavaScript/Reference/Errors/Cant_assign_to_property
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/...javascript/reference/errors/cant_define_property_object_not_extensible/index.md b/...javascript/reference/errors/cant_define_property_object_not_extensible/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'TypeError: can''t define property "x": "obj" is not extensible'
 slug: Web/JavaScript/Reference/Errors/Cant_define_property_object_not_extensible
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - TypeError
-translation_of: Web/JavaScript/Reference/Errors/Cant_define_property_object_not_extensible
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/cant_delete/index.md b/files/ja/web/javascript/reference/errors/cant_delete/index.md
@@ -1,13 +1,6 @@
 ---
 title: 'TypeError: property "x" is non-configurable and can''t be deleted'
 slug: Web/JavaScript/Reference/Errors/Cant_delete
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - Strict Mode
-  - TypeError
-translation_of: Web/JavaScript/Reference/Errors/Cant_delete
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/cant_redefine_property/index.md b/files/ja/web/javascript/reference/errors/cant_redefine_property/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'TypeError: can''t redefine non-configurable property "x"'
 slug: Web/JavaScript/Reference/Errors/Cant_redefine_property
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - TypeError
-translation_of: Web/JavaScript/Reference/Errors/Cant_redefine_property
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/cyclic_object_value/index.md b/files/ja/web/javascript/reference/errors/cyclic_object_value/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'TypeError: cyclic object value'
 slug: Web/JavaScript/Reference/Errors/Cyclic_object_value
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - TypeError
-translation_of: Web/JavaScript/Reference/Errors/Cyclic_object_value
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/dead_object/index.md b/files/ja/web/javascript/reference/errors/dead_object/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'TypeError: can''t access dead object'
 slug: Web/JavaScript/Reference/Errors/Dead_object
-tags:
-  - Addons
-  - Error
-  - Errors
-  - JavaScript
-translation_of: Web/JavaScript/Reference/Errors/Dead_object
 ---
 {{JSSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/delete_in_strict_mode/index.md b/files/ja/web/javascript/reference/errors/delete_in_strict_mode/index.md
@@ -1,14 +1,6 @@
 ---
-title: >-
-  SyntaxError: applying the 'delete' operator to an unqualified name is
-  deprecated
+title: 'SyntaxError: applying the ''delete'' operator to an unqualified name is deprecated'
 slug: Web/JavaScript/Reference/Errors/Delete_in_strict_mode
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - SyntaxError
-translation_of: Web/JavaScript/Reference/Errors/Delete_in_strict_mode
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/...a/web/javascript/reference/errors/deprecated_caller_or_arguments_usage/index.md b/...a/web/javascript/reference/errors/deprecated_caller_or_arguments_usage/index.md
@@ -1,13 +1,6 @@
 ---
 title: 'ReferenceError: deprecated caller or arguments usage'
 slug: Web/JavaScript/Reference/Errors/Deprecated_caller_or_arguments_usage
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - Strict Mode
-  - Warning
-translation_of: Web/JavaScript/Reference/Errors/Deprecated_caller_or_arguments_usage
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/deprecated_expression_closures/index.md b/files/ja/web/javascript/reference/errors/deprecated_expression_closures/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'Warning: expression closures are deprecated'
 slug: Web/JavaScript/Reference/Errors/Deprecated_expression_closures
-tags:
-  - JavaScript
-  - Warning
-  - エラー
-  - 警告
-translation_of: Web/JavaScript/Reference/Errors/Deprecated_expression_closures
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/deprecated_octal/index.md b/files/ja/web/javascript/reference/errors/deprecated_octal/index.md
@@ -1,11 +1,6 @@
 ---
 title: 'SyntaxError: "0"-prefixed octal literals and octal escape seq. are deprecated'
 slug: Web/JavaScript/Reference/Errors/Deprecated_octal
-tags:
-  - Error
-  - Errors
-  - SyntaxError
-translation_of: Web/JavaScript/Reference/Errors/Deprecated_octal
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/deprecated_source_map_pragma/index.md b/files/ja/web/javascript/reference/errors/deprecated_source_map_pragma/index.md
@@ -1,14 +1,7 @@
 ---
-title: >-
-  SyntaxError: Using //@ to indicate sourceURL pragmas is deprecated. Use //#
-  instead
+title: 'SyntaxError: Using //@ to indicate sourceURL pragmas is deprecated. Use //#
+  instead'
 slug: Web/JavaScript/Reference/Errors/Deprecated_source_map_pragma
-tags:
-  - Error
-  - Errors
-  - JavaScript
-  - Source maps
-translation_of: Web/JavaScript/Reference/Errors/Deprecated_source_map_pragma
 ---
 {{jsSidebar("Errors")}}
 

diff --git a/files/ja/web/javascript/reference/errors/deprecated_string_generics/index.md b/files/ja/web/javascript/reference/errors/deprecated_string_generics/index.md
@@ -1,12 +1,6 @@
 ---
 title: 'Warning: String.x is deprecated; use String.prototype.x instead'
 slug: Web/JavaScript/Reference/Errors/Deprecated_String_generics
-tags:
-  - JavaScript
-  - Warning
-  - エラー
-  - 警告
-translation_of: Web/JavaScript/Reference/Errors/Deprecated_String_generics
 ---
 {{jsSidebar("Errors")}}