style特性是字符串类型的,但style属性是一个对象: <div id="div"style="color:red;font-size:120%">Hello</div> <script>//字符串alert(div.getAttribute('style'));//color:red;font-size:120%//对象alert(div.style);//[object CSSStyleDeclaration]alert(div.style.color);//red</script> 尽管大多...
Returns the styleSheet object that contains the current CSSRule object or imports the current styleSheet object. pseudoClass(CSSPageRule, page) Returns the name of the pseudo class associated with the @page at-rule. readOnly(CSSStyleRule, rule, styleSheet) Returns a Boolean value that indicates ...
Style |border-color border- left | | Properties |border-left-color border-left-style | | |border-left-width border-right | | |border- right-color border-right-style | | |border-right-width border-style | | |border-top border-top-color | | |border-top-style border-top-width | |...
1//获取计算后的样式2var s = window.getComputedStyle(box,null);//IE11支持,返回[object CSSStyleDeclaration]3alert(s);4alert(s.color);//返回:rgb(255,0,0) 获取当前样式 1var s =box.currentStyle;//IE11支持,返回[object MSCurrentStyleProperties]2alert(s);3alert(s.color);//返回:red 改变...
Properties that reference the object: • object.style Related objects: CommentNode, CSSFontFaceRule, CSSPageRule, CSSStyleRule, rule Related HTML objects: a, abbr, acronym, address, applet, area, b, base, basefont, bdo, bgsound, big, blink, blockquote, body, br, button, caption, ...
style Object style guide Style a field with supported CSS properties. No placeholder String Each card field has a default placeholder text. Pass a placeholder object to customize this text. NoExample: Card field properties 1const cardNameContainer = document.getElementById("card-name-field-container...
log(has(object, key)); /* or */ console.log(Object.hasOwn(object, key)); // https://www.npmjs.com/package/object.hasown3.8 Prefer the object spread syntax over Object.assign to shallow-copy objects. Use the object rest parameter syntax to get a new object with certain properties ...
DOM element property and a source object property. The dotted syntax we’re using to set the background color on the style for the favorite color div—that is, style.backgroundColor—works for properties on both the source and the destination, and it drills into subobjects, as you’d ...
The third parameter specifies the HTML DOM id of the generated object element. The fourth parameter specifies an array of property values. For more information about the available properties, see the Silverlight Plug-in Object Reference. The width and height properties are required for cross-browser...
A JavaScript object is a collection ofnamed values. The following example creates a JavaScript object with four key/value properties: Example constperson = { firstName:"John", lastName:"Doe", age:50, eyeColor:"blue" }; Try it Yourself » ...