1. Element interface
The Element interface represents an element. This interface extends from the Node interface and naturally inherits the attributes and methods of the Node interface. It also has a set of attributes and methods for elements. method.
There are relatively few common attributes in the Element interface. The commonly used attribute is a read-only tagName attribute, which returns the element name and the data type is DOMString.
The methods defined by the Element interface are mainly for attribute operations. Common methods are as follows:
方法名 | 数据类型 | 说明 |
getAttribute | DOMString | 返回对应属性 |
getAttributeNode | Attr | 返回对应属性节点 |
getAttributeNodeNS | Attr | 返回属性命名空间 |
getAttributeNS | DOMString | 返回对应属性节点 |
getElementsByTagName | NodeList | 节点名获取元素列表 |
getElementsByTagNameNS | NodeList | 根据指定空间内的标签名搜索所有元素 |
hasAttribute | Boolean | 判断属性是否存在 |
hasAttributeNS | Boolean | 判断属性是否存在 |
removeAttribute | void | 删除属性 |
removeAttributeNode | Attr | 删除属性 |
removeAttributeNS | void | 删除属性 |
setAttribute | void | 添加属性 |
setAttributeNode | Attr | 添加属性节点 |
setAttributeNodeNS | Attr | 添加属性节点 |
setAttributeNS | void | 添加属性 |
2. HTMLElement interface
This interface is inherited from the Element interface and is also used to represent an HTML element with custom properties and methods.
1. Attribute list
属性名 | 数据类型 | 只读 | 说明 |
innerHTML | DOMString | 获取或设置HTML内容 | |
outerHTML | DOMString | 设置或获取对象的纯文本形式 | |
id | DOMString | 对应元素的id属性 | |
title | DOMString | 对应元素的title属性 | |
lang | DOMString | 对应元素的lang属性 | |
dir | DOMString | 对应元素的dir属性 | |
className | DOMString | 对应元素的class属性 | |
classList | DOMTokeList | Y | 返回元素的class属性作为DOMTokenList对象 |
dataset | DOMStringMap | Y | 返回自定义的data-*属性集合 |
hidden | Boolean | 对应元素的hidden属性 | |
tabIndex | long | 对应元素的tabIndex属性 | |
accessKey | DOMString | 对应元素的accessKey属性 | |
accessKeyLabel | DOMString | Y | 返回热键组合 |
draggable | Boolean | 对应元素的draggable属性 | |
contentEditable | DOMString | 对应元素的contentEditable属性 | |
isContentEditable | Boolean | Y | 判断元素是否可用编辑 |
contextMenu | HTMLMenuElement | 对应元素的contextMenu属性 | |
spellcheck | DOMString | 对应元素的spellcheck属性 | |
commandType | DOMString | Y | 对应元素的commandType属性 |
label | DOMString | Y | 对应元素的label属性 |
icon | DOMString | Y | 对应元素的icon属性 |
disabled | Boolean | Y | 对应元素的disabled属性 |
checked | Boolean | Y | 对应元素的checked属性 |
style | CSSStyleDeclaration | Y | 对应元素的style属性 |
2. Method list
方法名 | 数据类型 | 说明 |
getElementsByClassName | NodeList | 根据元素的class属性获取所有元素 |
insertAdjacentHTML | void | 在指定位置插入HTML或XML |
click | void | 单击元素,触发click事件 |
scrollIntoView | void | 滚动元素内容到视点内 |
focus | void | 元素获取焦点 |
blur | void | 元素失去焦点 |
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