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Title: Map.keys() returns empty object (4.1.1) · Issue #3107 · nodejs/node · GitHub

Open Graph Title: Map.keys() returns empty object (4.1.1) · Issue #3107 · nodejs/node

X Title: Map.keys() returns empty object (4.1.1) · Issue #3107 · nodejs/node

Description: Calling keys() on a Map returns an empty object rather than the keys of the Map: $ node --version v4.1.1 $ node > const x = new Map(); undefined > x.set("a", 1); Map { 'a' => 1 } > x.keys(); {} This works in Chrome45 which is using a sim...

Open Graph Description: Calling keys() on a Map returns an empty object rather than the keys of the Map: $ node --version v4.1.1 $ node > const x = new Map(); undefined > x.set("a", 1); Map { 'a' => 1 } > x.keys(); {} Thi...

X Description: Calling keys() on a Map returns an empty object rather than the keys of the Map: $ node --version v4.1.1 $ node > const x = new Map(); undefined > x.set("a", 1); Map { 'a' =...

Opengraph URL: https://github.com/nodejs/node/issues/3107

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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Map.keys() returns empty object (4.1.1)","articleBody":"Calling `keys()` on a Map returns an empty object rather than the keys of the Map:\n\n```\n$ node --version\nv4.1.1\n$ node\n\u003e const x = new Map();\nundefined\n\u003e x.set(\"a\", 1);\nMap { 'a' =\u003e 1 }\n\u003e x.keys();\n{}\n```\n\nThis works in Chrome45 which is using a similar v8 (V8 4.5.103.35):\n\n```\n\u003e const x = new Map();\nundefined\n\u003e x.set(\"a\", 1);\nMap {\"a\" =\u003e 1}\n\u003e x.keys();\nMapIterator {\"a\"}\n```\n","author":{"url":"https://github.com/RobAtticus","@type":"Person","name":"RobAtticus"},"datePublished":"2015-09-28T20:18:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":15},"url":"https://github.com/3107/node/issues/3107"}

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