{"json_modified": "2016-10-13T00:58:57.129961", "uuid": "b32650ea-603b-4844-961e-bb35d80b0d72", "title": "FileReader.readAsText()", "url": "/en-US/docs/Web/API/FileReader/readAsText", "tags": ["API", "Files", "Reference", "R\u00e9f\u00e9rence", "File API", "Method"], "translations": [{"uuid": "1dcdc197-57cd-4efb-9998-39d2bb5cd89b", "title": "FileReader.readAsText()", "url": "/ja/docs/Web/API/FileReader/readAsText", "tags": [], "summary": "<code>readAsText</code> \u30e1\u30bd\u30c3\u30c9\u306f\u3001 \u6307\u5b9a\u3055\u308c\u305f <a href=\"/ja/docs/Web/API/Blob\" title=\"Blob &#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x306F;&#x30D5;&#x30A1;&#x30A4;&#x30EB;&#x306B;&#x4F3C;&#x305F;&#x30AA;&#x30D6;&#x30B8;&#x30A7;&#x30AF;&#x30C8;&#x3067;&#x3001;immutable &#x306A;&#x751F;&#x30C7;&#x30FC;&#x30BF;&#x3067;&#x3059;&#x3002;&#x30C7;&#x30FC;&#x30BF;&#x3092;&#x8868;&#x3059; blob &#x306F;&#x5FC5;&#x305A;&#x3057;&#x3082; JavaScript &#x30CD;&#x30A4;&#x30C6;&#x30A3;&#x30D6;&#x306A;&#x30D5;&#x30A9;&#x30FC;&#x30DE;&#x30C3;&#x30C8;&#x3067;&#x306F;&#x3042;&#x308A;&#x307E;&#x305B;&#x3093;&#x3002;File &#x30A4;&#x30F3;&#x30BF;&#x30FC;&#x30D5;&#x30A7;&#x30FC;&#x30B9;&#x306F; Blob &#x3092;&#x57FA;&#x790E;&#x306B;&#x3057;&#x3066;&#x304A;&#x308A;&#x3001;&#x305D;&#x306E;&#x6A5F;&#x80FD;&#x3092;&#x7D99;&#x627F;&#x3059;&#x308B;&#x4E00;&#x65B9;&#x3067;&#x3001;&#x30E6;&#x30FC;&#x30B6;&#x306E;&#x30B7;&#x30B9;&#x30C6;&#x30E0;&#x4E0A;&#x306E;&#x30D5;&#x30A1;&#x30A4;&#x30EB;&#x3092;&#x30B5;&#x30DD;&#x30FC;&#x30C8;&#x3059;&#x308B;&#x305F;&#x3081;&#x306E;&#x6A5F;&#x80FD;&#x3092;&#x62E1;&#x5F35;&#x3057;&#x3066;&#x3044;&#x307E;&#x3059;&#x3002;\"><code>Blob</code></a> \u306a\u3044\u3057 <a href=\"/ja/docs/Web/API/File\" title=\"FIle &#x30A4;&#x30F3;&#x30BF;&#x30FC;&#x30D5;&#x30A7;&#x30A4;&#x30B9;&#x306F;&#x30D5;&#x30A1;&#x30A4;&#x30EB;&#x306E;&#x60C5;&#x5831;&#x3084;&#x30B3;&#x30F3;&#x30C6;&#x30F3;&#x30C4;&#x306B;&#x30A2;&#x30AF;&#x30BB;&#x30B9;&#x3059;&#x308B;&#x6A5F;&#x80FD;&#x3092;&#x63D0;&#x4F9B;&#x3057;&#x307E;&#x3059;&#x3002;\"><code>File</code></a> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002 \u8aad\u8fbc\u51e6\u7406\u304c\u7d42\u4e86\u3059\u308b\u3068 <a href=\"/ja/docs/Web/API/FileReader/readyState\" title=\"&#x8AAD;&#x8FBC;&#x51E6;&#x7406;&#x306B;&#x304A;&#x3051;&#x308B;&#x73FE;&#x5728;&#x306E;&#x72B6;&#x6CC1;&#x3092;&#x8868;&#x3059;&#x5024;&#x3092;&#x8FD4;&#x3057;&#x307E;&#x3059;&#x3002;\"><code>readyState</code></a> \u306f <code>DONE</code> <code>\u306b\u5909\u308f\u308a\u3001</code><code><a href=\"/ja/docs/Web/Reference/Events/loadend\" title=\"/ja/docs/Web/Reference/Events/loadend\">loadend</a></code> \u30a4\u30d9\u30f3\u30c8\u304c\u751f\u3058\u307e\u3059\u3002\u305d\u308c\u3068\u540c\u6642\u306b <a href=\"/ja/docs/Web/API/FileReader/result\" title=\"&#x8AAD;&#x307F;&#x8FBC;&#x3093;&#x3060;&#x30D5;&#x30A1;&#x30A4;&#x30EB;&#x306E;&#x5185;&#x5BB9;&#x3092;&#x8FD4;&#x3057;&#x307E;&#x3059;&#x3002;&#x3053;&#x306E;&#x30D7;&#x30ED;&#x30D1;&#x30C6;&#x30A3;&#x306F;&#x8AAD;&#x307F;&#x8FBC;&#x307F;&#x304C;&#x7D42;&#x4E86;&#x3057;&#x305F;&#x5F8C;&#x306B;&#x6709;&#x52B9;&#x306B;&#x306A;&#x308A;&#x3001;&#x30D7;&#x30ED;&#x30D1;&#x30C6;&#x30A3;&#x306E;&#x30C7;&#x30FC;&#x30BF;&#x578B;&#x306F;&#x8AAD;&#x8FBC;&#x51E6;&#x7406;&#x3092;&#x884C;&#x3046;&#x30E1;&#x30BD;&#x30C3;&#x30C9;&#x306B;&#x3088;&#x3063;&#x3066;&#x5909;&#x308F;&#x308A;&#x307E;&#x3059;&#x3002;\"><code>result</code></a> \u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9\u304c\u6587\u5b57\u5217\u3068\u3057\u3066\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002", "localization_tags": [], "locale": "ja", "last_edit": "2015-05-11T04:31:12", "review_tags": []}, {"uuid": "6c732103-6048-4a55-abc5-df7d2580e368", "title": "FileReader.readAsText()", "url": "/zh-CN/docs/Web/API/FileReader/readAsText", "tags": [], "summary": "<code>readAsText</code> \u65b9\u6cd5\u53ef\u4ee5\u5c06 <a href=\"/zh-CN/docs/Web/API/Blob\" title=\"&#x4E00;&#x4E2A;Blob&#x5BF9;&#x8C61;&#x5C31;&#x662F;&#x4E00;&#x4E2A;&#x5305;&#x542B;&#x6709;&#x53EA;&#x8BFB;&#x539F;&#x59CB;&#x6570;&#x636E;&#x7684;&#x7C7B;&#x6587;&#x4EF6;&#x5BF9;&#x8C61;&#x3002;Blob&#x5BF9;&#x8C61;&#x4E2D;&#x7684;&#x6570;&#x636E;&#x5E76;&#x4E0D;&#x4E00;&#x5B9A;&#x5F97;&#x662F;JavaScript&#x4E2D;&#x7684;&#x539F;&#x751F;&#x5F62;&#x5F0F;&#x3002;File&#x63A5;&#x53E3;&#x57FA;&#x4E8E;Blob&#xFF0C;&#x7EE7;&#x627F;&#x4E86;Blob&#x7684;&#x529F;&#x80FD;,&#x5E76;&#x4E14;&#x6269;&#x5C55;&#x652F;&#x6301;&#x4E86;&#x7528;&#x6237;&#x8BA1;&#x7B97;&#x673A;&#x4E0A;&#x7684;&#x672C;&#x5730;&#x6587;&#x4EF6;&#x3002;\"><code>Blob</code></a>\u00a0\u6216\u8005 <a href=\"/zh-CN/docs/Web/API/File\" title=\"File &#x63A5;&#x53E3;&#x63D0;&#x4F9B;&#x4E86;&#x6587;&#x4EF6;&#x7684;&#x4FE1;&#x606F;&#xFF0C;&#x4EE5;&#x53CA;&#x6587;&#x4EF6;&#x5185;&#x5BB9;&#x7684;&#x5B58;&#x53D6;&#x65B9;&#x6CD5;&#x3002;\"><code>File</code></a>\u5bf9\u8c61\u8f6c\u6839\u636e\u7279\u6b8a\u7684\u7f16\u7801\u683c\u5f0f\u8f6c\u5316\u4e3a\u5185\u5bb9(\u5b57\u7b26\u4e32\u5f62\u5f0f)", "localization_tags": ["inprogress"], "locale": "zh-CN", "last_edit": "2016-10-13T00:58:28", "review_tags": []}], "modified": "2016-10-13T00:58:57", "label": "FileReader.readAsText()", "localization_tags": [], "locale": "en-US", "id": 83325, "last_edit": "2016-10-13T00:58:51", "summary": "The <code>readAsText</code> method is used to read the contents of the specified <a href=\"/en-US/docs/Web/API/Blob\" title=\"Technical review completed.\"><code>Blob</code></a> or <a href=\"/en-US/docs/Web/API/File\" title=\"The File interface provides information about files and allows JavaScript in a web page to access their content.\"><code>File</code></a>. When the read operation is complete, the <a href=\"/en-US/docs/Web/API/FileReader/readyState\" title=\"Provides the current state of the reading operation.\"><code>readyState</code></a> is changed to <code>DONE</code>, the <code><a href=\"/en-US/docs/Web/Events/loadend\" title=\"/en-US/docs/Web/Events/loadend\">loadend</a></code> is triggered, and the <a href=\"/en-US/docs/Web/API/FileReader/result\" title=\"Returns the file's contents. This property is only valid after the read operation is complete, and the format of the data depends on which of the methods was used to initiate the read operation.\"><code>result</code></a> attribute contains the contents of the file as a text string.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/FileReader/readAsText", "review_tags": []}