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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/datatransferitem/kind | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/datatransferitem/kind/index.html b/files/zh-cn/web/api/datatransferitem/kind/index.html new file mode 100644 index 0000000000..e475661971 --- /dev/null +++ b/files/zh-cn/web/api/datatransferitem/kind/index.html @@ -0,0 +1,96 @@ +--- +title: DataTransferItem.kind +slug: Web/API/DataTransferItem/kind +tags: + - API + - DataTransferItem + - HTML DOM + - HTML Drag and Drop API + - Property + - Reference + - drag and drop + - kind +translation_of: Web/API/DataTransferItem/kind +--- +<div>{{APIRef("HTML Drag and Drop API")}}</div> + +<p><strong><code>DataTransferItem.kind</code></strong> 是一个只读属性,它返回一个 {{domxref("DataTransferItem")}} 用来表示拖拽项(<em>drag data item)的类型</em>: 一些文本或者一些文件。</p> + +<h2 id="语法">语法</h2> + +<pre class="syntaxbox">var <em>itemKind</em> = <em>DataTransferItem</em>.kind; +</pre> + +<h3 id="返回值">返回值</h3> + +<p> {{domxref("DOMString")}} 用来表示拖拽项(<em>drag data item)的类型</em>. 它的值必须是以下值中的一个:</p> + +<dl> + <dt><code>'file'</code></dt> + <dd>拖拽项是一个文件。</dd> + <dt><code>'string'</code></dt> + <dd>拖拽项是一个普通的 Unicode 字符。</dd> +</dl> + +<h2 id="例子">例子</h2> + +<p>下面这个例子是 <code>kind</code> 属性的用法.</p> + +<pre class="brush: js">function drop_handler(ev) { + console.log("Drop"); + ev.preventDefault(); + var data = event.dataTransfer.items; + for (var i = 0; i < data.length; i += 1) { + if ((data[i].kind == 'string') && + (data[i].type.match('^text/plain'))) { + // This item is the target node + data[i].getAsString(function (s){ + ev.target.appendChild(document.getElementById(s)); + }); + } else if ((data[i].kind == 'string') && + (data[i].type.match('^text/html'))) { + // Drag data item is HTML + console.log("... Drop: HTML"); + } else if ((data[i].kind == 'file') && + (data[i].type.match('^image/'))) { + // Drag data item is an image file + var f = data[i].getAsFile(); + console.log("... Drop: File "); + } + } +} +</pre> + +<p><font face="x-locale-heading-primary, zillaslab, Palatino, Palatino Linotype, x-locale-heading-secondary, serif"><span style="font-size: 37.33327865600586px;"><strong>规范</strong></span></font></p> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('HTML WHATWG', 'interaction.html#dom-datatransferitem-kind','kind')}}</td> + <td>{{Spec2('HTML WHATWG')}}</td> + <td>Initial version</td> + </tr> + <tr> + <td>{{SpecName('HTML5.1', 'editing.html#dom-datatransferitem-kind','kind')}}</td> + <td>{{Spec2('HTML5.1')}}</td> + <td>W3C snapshot of the WHATWG document.</td> + </tr> + </tbody> +</table> + +<p><font face="x-locale-heading-primary, zillaslab, Palatino, Palatino Linotype, x-locale-heading-secondary, serif"><span style="font-size: 37.33327865600586px;"><strong>浏览器兼容性</strong></span></font></p> + + + +<p>{{Compat("api.DataTransferItem.kind")}}</p> + +<p><font face="x-locale-heading-primary, zillaslab, Palatino, Palatino Linotype, x-locale-heading-secondary, serif"><span style="font-size: 37.33327865600586px;"><strong>查看更多</strong></span></font></p> + +<p>{{page("/en-US/docs/Web/API/DataTransfer", "See also")}}</p> + +<p> </p> |