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  • tag table

    ... >、<col>、<colgroup>、<thead>、<tfoot> 以及 <tbody> 元素。 HTML 4.01 与 HTML5之间的差异 在 HTML5 中，仅支持 "border" 属性，并且只允许使用值 "1" 或 ""。 属性 属性 值 描述 align left center right HTML5 不支持。HTML 4.01 已废弃。 规定表格相对周围元素的对齐方式。 bgcolor rgb(x ...

  • tag th

    ... 可横跨的列数。 headers header_id 规定与表头单元格相关联的一个或多个表头单元格。 height pixels % HTML5 不支持。HTML 4.01 已废弃。 规定表头单元格的高度。 nowrap nowrap HTML5 不支持。HTML 4.01 已废弃。 规定表头单元格中的内容是否折行。 rowspan number ...

  • tag iframe

    ... 放置在 <iframe> 和 </iframe> 之间，这样就可以应对不支持 <iframe> 的浏览器。 提示：使用 CSS 为 <iframe> （包括滚动条）定义样式。 HTML 4.01 与 HTML5之间的差异 HTML5 新增了一些新的属性，同时去掉了 HTML 4.01 中的一些属性。 HTML 与 XHTML 之间的差异 在 XHTML 中，name 属性已被废弃，并将被去掉。请使用 id 属性代 ...

  • ev ondrag

    ... The ondrag attribute fires when an element or text selection is being dragged. Drag and drop is a very common feature in HTML5. It is when you "grab" an object and drag it to a different location. For more information, see our HTML ...

  • ev ondragend

    ... attribute fires when the user has finished dragging an element or text selection. Drag and drop is a very common feature in HTML5. It is when you "grab" an object and drag it to a different location. For more information, see our HTML ...

  • ev ondragenter

    ... drop target, and removing the color when the element is moved out of the target. Drag and drop is a very common feature in HTML5. It is when you "grab" an object and drag it to a different location. For more information, see our HTML ...

  • ev ondragleave

    ... drop target, and removing the color when the element is moved out of the target. Drag and drop is a very common feature in HTML5. It is when you "grab" an object and drag it to a different location. For more information, see our HTML ...

  • ev ondragover

    ... This is done by calling the event.preventDefault() method for the ondragover attribute. Drag and drop is a very common feature in HTML5. It is when you "grab" an object and drag it to a different location. For more information, see our ...

  • ev ondragstart

    ... attribute fires when the user starts to drag an element or text selection. Drag and drop is a very common feature in HTML5. It is when you "grab" an object and drag it to a different location. For more information, see our HTML ...

  • ev ondrop

    ... when a draggable element or text selection is dropped on a valid drop target. Drag and drop is a very common feature in HTML5. It is when you "grab" an object and drag it to a different location. For more information, see our HTML ...

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