Document Object Model 文档对象模型html
维基百科
https://en.wikipedia.org/wiki/Document_Object_ModelnodeThe Document Object Model (DOM) is a cross-platform and language-independent application programming interface that treats an HTML, XHTML, or XML document as a tree structure wherein each node is an object representing a part of the document. The objects can be manipulated programmatically and any visible changes occurring as a result may then be reflected in the display of the document.jquery
文档对象模型是一个跨平台和语言无关的应用程序接口。它把HTML,XHTML或XML文档表示成一种树形结构,其中,每一个节点都是表明文档一个部分的对象。能够以编程的方式操做这些对象而且任何看得见的改变都会直接反应在文档的展现上。编程
分析:api