CSSStyleDeclaration 对象表示一个 CSS 属性-值(property-value)对的集合。 CSSStyleDeclaration 对象属性 属性描述 cssText设置或返回样式声明文本,cssText 对应的是 HTML 元素的 style 属性。 length返回样式中包含多少条声明。 parentRule返回包含当前规则的规则。
The IHTMLCSSStyleDeclaration interface has these methods.展開表格 MethodDescription getPropertyPriority Gets the priority of a CSS property if the priority is explicitly set in the current declaration block. getPropertyValue Gets the value of a CSS property if it is explicitly set wit...
设置一个新的 CSS 属性,并使用 "important" 优先级: vardeclaration=document.styleSheets[0].cssRules[0].style;varsetprop=declaration.setProperty("background-color","yellow","important"); 尝试一下 » CSS CSSStyleDeclaration HTML DOM Console 对象 DOM HTMLCollection...
The selector points to the HTML element you want to style. The declaration block contains one or more declarations separated by semicolons. Each declaration includes a CSS property name and a value, separated by a colon. Multiple CSS declarations are separated with semicolons, and declaration ...
CSSStyleDeclaration (all browsers, except Internet Explorer before version 9) currentStyle (Internet Explorer and Opera) runtimeStyle (Internet Explorer). These four objects are introduced in the followings. In HTML, style settings can be specified for an element in three different ways: inline ...
For example, theulselector selects the<ul>HTML element in the page to apply styles to it. The declaration isfont-family: helvetica, and determines what the style should be. Theproperty nameisfont-family, and thevalueishelvetica. As you see next, you can define your own custom names for...
Selects elements by an HTML tag. CSS tag { css declaration; } The following example selects div elements: CSS div { background-color: lightGray; width: 30px; overflow: hidden; text-overflow: ellipsis; } #Class Selector Selects elements that belong to the specified class. Use a pe...
Includes support for all HTML5 types: text, password, datetime, datetime-local, date, month, time, week, number, email, url, search, tel, and color. Type declaration required Inputs will only be fully styled if their type is properly declared. <input type="text" class="form-control" ...
in the CSS cascade and is being used instead. In this case, the higher-precedence property declaration will be located earlier in the Rules view. If a property declaration is faded out, it means that the declaration is inherited but the CSS property is not inheritable, and will not be ...
marginSets all the margin properties in one declaration margin-blockSpecifies the margin in the block direction margin-block-endSpecifies the margin at the end in the block direction margin-block-startSpecifies the margin at the start in the block direction ...