Bootstrap表格
表格类:
.table只会在表行之间增加横线;
.table-striped会在表格行之间增减斑马线;
.table-hover会给表设置鼠标悬停状态;
.table-border会为所有的表格添加边框;
.table-condensed让表格更加紧凑;
tr,td,th类
.active让某一行单元格或者行处于激活状态;
.success表示成功的样式;
.warning表示警告的样式;
.danger表示危险的样式;
.info表示信息的样式;
表单类:
创建表单的基本步骤
(1)首先向form元素添加role="form";
(2)把标签和控件放在一个带有class .form-group的
(3)向所有的文本元素
几种表单格式;
垂直表单-采用以上样式创建的普通表单;
水平表单-在form中增加class .form-horizontal;
内联表单-在form中增加class .form-inline,对于标签元素可以使用.sr-only来隐藏该标签元素(label)
支持的表单控件:
input,textarea,checkbox,radio,select(可以增加multiple实现多选)
这里特别说明一点,实现内联的复选框或者单选按钮使用checkbox-line属性.
如果想在想放置纯文本那么可以对
元素使用.form-control-static
表单控件状态:
可以对div设置has-warning,has-error,has-success来显示内部控件的状态.
可以设置.input-large或者.input-sm来显示控件的大小,或者使用col-lg-*来显示控件占的列数.
可以使用.class-bloc来显示一段内容的解释.
图片:

HTMLtagsdefinethestructureofawebpage,whileattributesaddfunctionalityanddetails.1)Tagslike,,andoutlinethecontent'splacement.2)Attributessuchassrc,class,andstyleenhancetagsbyspecifyingimagesources,styling,andmore,improvingfunctionalityandappearance.

The future of HTML will develop in a more semantic, functional and modular direction. 1) Semanticization will make the tag describe the content more clearly, improving SEO and barrier-free access. 2) Functionalization will introduce new elements and attributes to meet user needs. 3) Modularity will support component development and improve code reusability.

HTMLattributesarecrucialinwebdevelopmentforcontrollingbehavior,appearance,andfunctionality.Theyenhanceinteractivity,accessibility,andSEO.Forexample,thesrcattributeintagsimpactsSEO,whileonclickintagsaddsinteractivity.Touseattributeseffectively:1)Usese

The alt attribute is an important part of the tag in HTML and is used to provide alternative text for images. 1. When the image cannot be loaded, the text in the alt attribute will be displayed to improve the user experience. 2. Screen readers use the alt attribute to help visually impaired users understand the content of the picture. 3. Search engines index text in the alt attribute to improve the SEO ranking of web pages.

The roles of HTML, CSS and JavaScript in web development are: 1. HTML is used to build web page structure; 2. CSS is used to beautify the appearance of web pages; 3. JavaScript is used to achieve dynamic interaction. Through tags, styles and scripts, these three together build the core functions of modern web pages.

Setting the lang attributes of a tag is a key step in optimizing web accessibility and SEO. 1) Set the lang attribute in the tag, such as. 2) In multilingual content, set lang attributes for different language parts, such as. 3) Use language codes that comply with ISO639-1 standards, such as "en", "fr", "zh", etc. Correctly setting the lang attribute can improve the accessibility of web pages and search engine rankings.

HTMLattributesareessentialforenhancingwebelements'functionalityandappearance.Theyaddinformationtodefinebehavior,appearance,andinteraction,makingwebsitesinteractive,responsive,andvisuallyappealing.Attributeslikesrc,href,class,type,anddisabledtransform

TocreatealistinHTML,useforunorderedlistsandfororderedlists:1)Forunorderedlists,wrapitemsinanduseforeachitem,renderingasabulletedlist.2)Fororderedlists,useandfornumberedlists,customizablewiththetypeattributefordifferentnumberingstyles.


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