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diff --git a/files/pt-pt/web/api/file/index.html b/files/pt-pt/web/api/file/index.html new file mode 100644 index 0000000000..43e85438cb --- /dev/null +++ b/files/pt-pt/web/api/file/index.html @@ -0,0 +1,101 @@ +--- +title: File +slug: Web/API/File +tags: + - API + - File API + - Interface + - NeedsTranslation + - Reference + - TopicStub + - Web +translation_of: Web/API/File +--- +<div>{{APIRef}}</div> + +<p>The <strong><code>File</code></strong> interface provides information about files and allows JavaScript in a web page to access their content.</p> + +<p><code>File</code> objects are generally retrieved from a {{DOMxRef("FileList")}} object returned as a result of a user selecting files using the {{HTMLElement("input")}} element, from a drag and drop operation's {{DOMxRef("DataTransfer")}} object, or from the <code>mozGetAsFile()</code> API on an {{DOMxRef("HTMLCanvasElement")}}.</p> + +<p>A <code>File</code> object is a specific kind of a {{DOMxRef("Blob")}}, and can be used in any context that a Blob can. In particular, {{DOMxRef("FileReader")}}, {{DOMxRef("URL.createObjectURL()")}}, {{DOMxRef("ImageBitmapFactories.createImageBitmap()", "createImageBitmap()")}}, and {{DOMxRef("XMLHttpRequest", "", "send()")}} accept both <code>Blob</code>s and <code>File</code>s.</p> + +<p>See <a href="/en-US/docs/Using_files_from_web_applications">Using files from web applications</a> for more information and examples.</p> + +<p>{{InheritanceDiagram}}</p> + +<h2 id="Constructor">Constructor</h2> + +<dl> + <dt>{{DOMxRef("File.File", "File()")}}</dt> + <dd>Returns a newly constructed <code>File</code>.</dd> +</dl> + +<h2 id="Instance_properties">Instance properties</h2> + +<dl> + <dt>{{DOMxRef("File.prototype.lastModified")}} {{ReadOnlyInline}}</dt> + <dd>Returns the last modified time of the file, in millisecond since the UNIX epoch (January 1st, 1970 at Midnight).</dd> + <dt>{{DOMxRef("File.prototype.lastModifiedDate")}} {{Deprecated_Inline}} {{ReadOnlyInline}}</dt> + <dd>Returns the last modified {{JSxRef("Date")}} of the file referenced by the <code>File</code> object.</dd> + <dt>{{DOMxRef("File.prototype.name")}}{{ReadOnlyInline}}</dt> + <dd>Returns the name of the file referenced by the <code>File</code> object.</dd> + <dt>{{DOMxRef("File.prototype.webkitRelativePath")}} {{Non-standard_Inline}} {{ReadOnlyInline}}</dt> + <dd>Returns the path the URL of the {{DOMxRef("File")}} is relative to.</dd> +</dl> + +<p><code>File</code> implements {{DOMxRef("Blob")}}, so it also has the following properties available to it:</p> + +<dl> + <dt>{{DOMxRef("File.prototype.size")}} {{ReadOnlyInline}}</dt> + <dd>Returns the size of the file in bytes.</dd> + <dt>{{DOMxRef("File.prototype.type")}} {{ReadOnlyInline}}</dt> + <dd>Returns the <a href="/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types">MIME </a>type of the file.</dd> +</dl> + +<h2 id="Instance_methods">Instance methods</h2> + +<p><em>The <code>File</code> interface doesn't define any methods, but inherits methods from the {{DOMxRef("Blob")}} interface:</em></p> + +<dl> + <dt>{{DOMxRef("Blob.prototype.slice()", "Blob.prototype.slice([start[, end[, contentType]]])")}}</dt> + <dd>Returns a new <code>Blob</code> object containing the data in the specified range of bytes of the source <code>Blob</code>.</dd> + <dt>{{DOMxRef("Blob.prototype.stream()")}}</dt> + <dd>Transforms the <code>File</code> into a {{DOMxRef("ReadableStream")}} that can be used to read the <code>File</code> contents.</dd> + <dt>{{DOMxRef("Blob.prototype.text()")}}</dt> + <dd>Transforms the <code>File</code> into a stream and reads it to completion. It returns a promise that resolves with a {{DOMxRef("USVString")}} (text).</dd> + <dt>{{DOMxRef("Blob.prototype.arrayBuffer()")}}</dt> + <dd>Transforms the <code>File</code> into a stream and reads it to completion. It returns a promise that resolves with an {{DOMxRef("ArrayBuffer")}}.</dd> +</dl> + +<h2 id="Specifications">Specifications</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('File API', "#file-section", "The <code>File</code> interface")}}</td> + <td>{{Spec2('File API')}}</td> + <td>Initial definition.</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</h2> + + + +<p>{{Compat("api.File")}}</p> + +<h2 id="See_also">See also</h2> + +<ul> + <li><a href="/en-US/docs/Web/API/File/Using_files_from_web_applications">Using files from web applications</a></li> + <li>{{DOMxRef("FileReader")}}</li> + <li><a href="/en-US/docs/Extensions/Using_the_DOM_File_API_in_chrome_code">Using the DOM File API in chrome code</a> (for privileged code running in Gecko, such as Firefox add-ons)</li> +</ul> |