In HTML, we use the same syntax to create single-line and multi-line comments. Single Line Comment <!-- Write a heading --><h1>Important Heading</h1> Multi-line Comments <!-- Multiple Line comments can include
<META NAME="REFRESH" CONTENT URL> 自动更新文件内容 <MULTIPLE> 可同时选择多项的列表栏 <namespace> 向文档中动态导入一个元素行为。 <navigator> 包含关于 Web 浏览器的信息。 <nextID> 创建编辑软件可以读取的唯一标识符。 <noBR> 不换行渲染文本。 <noFrames> 包含对于那些不支持 FRAMESET 元素的浏览器使...
select元素 语法格式:<selectname="" size=""multiple></select> name 指定列表框的名字 size 指定列表框显⽰列表项的条数,如果指定了该参数,select元素是个列表,否则是⼀个下拉列表框 multiple 指定了这个参数,则表⽰该列表框可选择多项,否则只可选择⼀项 option属性 语法格式:<optionvalue="" selected>...
说明:指定表格中一列或一组列的默认属性。 标签:comment 说明:标明不可见的注释. 标签:currentStyle 说明:代表了在全局样式表、内嵌样式和 HTML 标签属性中指定的对象格式和样式。 标签:custom 说明:代表了一个用户自定义元素。 标签:datatransfer 说明:提供了对于预定义的剪贴板格式的...
multiple 指定了这个参数,则表示该列表框可选择多项,否则只可选择一项 option属性 语法格式:<option value="" selected></option> value 该列表项的值 selected 如果设定了这个参数,默认为选定这一项 多行文本框<textarea> <textarea name="" cols="" rows="" wrap="off/physical/virtual"></textarea> ...
Long CSS rules should be written over multiple lines: body{ background-color:lightgrey; font-family:"Arial Black", Helvetica, sans-serif; font-size:16em; color:black; } Place the opening bracket on the same line as the selector
Qt的文本窗体部件能够显示富文本,使用HTML4标记。能够以这种方式显示富文本的窗体控件有:QTextDocument, 以及QLabelandQTextEdit。 Qt’s text widgets are able to display rich text, specified using a subset ofHTML4markup. Widgets that useQTextDocument, such asQLabelandQTextEdit, are able to display rich...
If the value of nowrap is false or unspecified, the browser can break up the component text into multiple lines when it is displayed. If the value of noWrap is true, the browser will try to keep the component text on a single line. align –Rarely used. Adjusts the element horizontally ...
<!-- This is a comment --> <!-- This is a multiple-line comment that ends here. --> Comments are useful for labeling and organizing long documents, particularly when they are shared by a team of developers. In this example, comments are used to point out the section of the source ...
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