constelement=document.getElementById('myElement');constattributeValue=element.getAttribute('data-id');console.log(attributeValue); 1. 2. 3. In the above code, we first fetch the element using its ID and store it in theelementvariable. Then, we use thegetAttribute()method to get the value ...
如果一个元素有id特性(attribute),那我们就可以使用document.getElementById(id)方法获取该元素,无论它在哪里。 例如: Element //获取该元素let elem = document.getElementById('elem');//将该元素背景改为红色elem.style.background ='red'; 此外,还有一个通过id命名的全局变量,它引用了元素: Element ...
element node : the html's tags, like and so on; text node : just like the contents of =>"XXXXXXX", it is often included in element node, but not every element node has text node; attribute node : description of elements, like almost every element node has an attribute node "tit...
我会选择使用Bash、Python和Java分别进行实现。 # Bash 示例value=$(document.getElementById('myButton').getAttribute('data-info'))echo$value 1. 2. 3. # Python 示例fromseleniumimportwebdriver driver=webdriver.Chrome()element=driver.find_element_by_id('myButton')value=element.get_attribute('data-in...
createAttributeNS(namespaceURI, attributeName),以给定的属性名 attributeName 创建指定命名空间 namespaceURI 的一个新属性; getElementsByTagNameNS(namespaceURI, tagName),返回指定命名空间 namespaceURI 中所有标签名为 tagName 的元素的 NodeList。 Element 的变化 DOM2 Core 对 Element 类型的更新主要集中在对属...
JavaScript的组成由ECMAScript,Browser Objects(DOM,BOM)组成的。 获取一个元素和访问一个元素的样式,设置和删除属性。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 document.getElementById("id")document.getElementsByTagName("tag")设置元素样式 ele.style.styleName...
Top-levels are represented by the class TopLevel and its subclasses: TopLevel Script: a stand-alone file or HTML element ExternalScript: a stand-alone JavaScript file InlineScript: code embedded inline in an HTML tag CodeInAttribute: a code block originating from an HTML attribute value Even...
The tooltip plugin generates content and markup on demand, and by default places tooltips after their trigger element. Trigger the tooltip via JavaScript: $('#example').tooltip(options) Markup The required markup for a tooltip is only a data attribute and title on the HTML element you wish to...
The tooltip plugin generates content and markup on demand, and by default places tooltips after their trigger element. Trigger the tooltip via JavaScript: Copy $('#example').tooltip(options) Markup The required markup for a tooltip is only a data attribute and title on the HTML element you wi...
vareditor =document.getElementById('editor'); editor.contentDocument.designMode ='on'; 2.7、document.implementation document.implementation属性返回一个DOMImplementation对象。该对象有三个方法,主要用于创建独立于当前文档的新的 Document 对象。 DOMImplementation...