{"json_modified": "2016-10-05T06:38:23.120602", "uuid": "bd512f78-58d7-4641-8938-3517a0a50b12", "title": "Float64Array", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float64Array", "tags": ["Constructor", "JavaScript", "TypedArray", "TypedArrays"], "translations": [{"uuid": "56f7fb14-af6e-4f96-8aed-49771e429164", "title": "Float64Array", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/Float64Array", "tags": ["TypedArrays", "Constructor", "Reference", "TypedArray", "R\u00e9f\u00e9rence", "JavaScript"], "summary": "Le constructeur Floa64Array
permet de repr\u00e9senter un tableau typ\u00e9 dont les \u00e9l\u00e9ments sont des nombres flottants repr\u00e9sent\u00e9s sur 64 bits (ce qui correspond \u00e0 la repr\u00e9sentation du type double
en C) dans l'ordre des octets utilis\u00e9 par la plate-forme. Si on souhaite ma\u00eetriser le boutisme (endianness), on pourra utiliser un objet DataView
\u00e0 la place. Les \u00e9l\u00e9ments du tableau sont initialis\u00e9s \u00e0 0
. Une fois construit, il est possible de faire r\u00e9f\u00e9rence aux \u00e9l\u00e9ments du tableau en utilisant les m\u00e9thodes de l'objet ou la syntaxe usuelle pour l'acc\u00e8s aux \u00e9l\u00e9ments du tableau (les crochets).", "localization_tags": [], "locale": "fr", "last_edit": "2015-11-08T05:30:10", "review_tags": []}, {"uuid": "bd488d4b-8793-4455-b651-a941d041f214", "title": "Float64Array", "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/Float64Array", "tags": [], "summary": "Float64Array \u30bf\u30a4\u30d7\u306f\u300164\u00a0\u30d3\u30c3\u30c8\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570 (C \u8a00\u8a9e\u306e float \u30c7\u30fc\u30bf\u30bf\u30a4\u30d7\u306b\u76f8\u5f53\u3057\u307e\u3059) \u306e\u914d\u5217\u3092\u8868\u3057\u307e\u3059\u3002
\u5404\u8981\u7d20\u306e\u30d0\u30a4\u30c8\u30aa\u30fc\u30c0\u30fc\u306f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u3082\u3057\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3057\u305f\u3044\u5834\u5408\u306f\u4ee3\u308f\u308a\u306bDataView
\u3092\u4f7f\u3063\u3066\u4e0b\u3055\u3044\u3002\u5404\u8981\u7d20\u306f0\u3067\u521d\u671f\u5316\u3055\u308c\u307e\u3059\u3002\u751f\u6210\u3055\u308c\u305f\u00a0Float64Array
\u00a0\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u3042\u308b\u3044\u306f\u914d\u5217\u306e\u3088\u3046\u306a\u8868\u8a18\u6cd5 (\"[]
\")\u00a0\u3092\u7528\u3044\u3066\u3001\u8981\u7d20\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002", "localization_tags": [], "locale": "ja", "last_edit": "2016-02-02T01:03:51", "review_tags": ["editorial"]}, {"uuid": "22be28cf-e0ac-4b29-bbe7-ebf08a16daa6", "title": "Float64Array", "url": "/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Float64Array", "tags": ["TypeArray", "\u6784\u9020\u51fd\u6570", "TypeArrays", "JavaScript"], "summary": "Float64Array
\u00a0\u7c7b\u578b\u6570\u7ec4\u4ee3\u8868\u7684\u662f\u5e73\u53f0\u5b57\u8282\u987a\u5e8f\u4e3a64\u4f4d\u7684\u6d6e\u70b9\u6570\u578b\u6570\u7ec4(\u5bf9\u5e94\u4e8e C\u00a0\u6d6e\u70b9\u6570\u636e\u7c7b\u578b) \u3002\u00a0\u5982\u679c\u9700\u8981\u63a7\u5236\u5b57\u8282\u987a\u5e8f\uff0c\u00a0\u4f7f\u7528 DataView
\u00a0\u66ff\u4ee3\u3002\u5176\u5185\u5bb9\u521d\u59cb\u5316\u4e3a0
\u3002\u4e00\u65e6\u5efa\u7acb\u8d77\u6765\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u5bf9\u8c61\u7684\u65b9\u6cd5\u5bf9\u5176\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c\uff0c\u6216\u8005\u4f7f\u7528\u6807\u51c6\u6570\u7ec4\u7d22\u5f15\u8bed\u6cd5 (\u4f7f\u7528\u65b9\u62ec\u53f7)\u3002", "localization_tags": ["inprogress"], "locale": "zh-CN", "last_edit": "2016-08-18T03:20:18", "review_tags": []}], "modified": "2016-10-05T06:38:22", "label": "Float64Array", "localization_tags": [], "locale": "en-US", "id": 3634, "last_edit": "2015-11-01T21:34:02", "summary": "The Float64Array
typed array represents an array of 64-bit floating point numbers (corresponding to the C double
data type) in the platform byte order. If control over byte order is needed, use DataView
instead. The contents are initialized to 0
. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Properties", "title": "Properties"}, {"id": "Methods", "title": "Methods"}, {"id": "Float64Array_prototype", "title": null}, {"id": "Properties_2", "title": "Properties"}, {"id": "Methods_2", "title": "Methods"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "Compatibility_notes", "title": "Compatibility notes"}, {"id": "See_also", "title": "See also"}], "slug": "Web/JavaScript/Reference/Global_Objects/Float64Array", "review_tags": []}