nodevalue javascript

ArticleDirectory Nodename, nodevalue, and nodetype contain information about nodes. Record several common attributes in html dom: Nodename, nodevalue, and nodetype contain information about nodes. The nodename attribute contains the

Html dom nodeName nodeValue, nodenamenodevalue In javascript, we generally need to do this to obtain the title label and text.Var obj = document. getElementsById ("id1 ");Obj. nodeName; // obtain the tag name.Obj. nodeValue; // IE returns null. It

Suppose we already have a DOM object whose content is as follows:Content In JavaScript, we generally need to do this to obtain the title label and text.VaR Title = Dom. getelementsbytagname ("title ");Alert (title [0]. nodename); // obtain

Objective The function of Dom is to turn a Web page into a JavaScript object, so that you can use JavaScript to do a variety of things (such as add and delete content). The browser parses the HTML document into a series of nodes based on the DOM

0x01The DOM is the interface of the JavaScript Operation Web page, all called the Document Object model. Its role is to convert the Web page into a JavaScript object, so that you can use JavaScript to do various things (such as adding and deleting

I. Element Node // test element node, output node name, node type, and node value varliElementsdocument. getElementsByTagName (& quot; li & quot;); for (vari0; I & lt; liElements. length; I ++) {alert (liElements [I]. nodeName); I. Element nodes //

I. Understanding DOM with different levels of nodes1. Node hierarchyTake the following HTML as an example:sample pagehello world!This simple HTML document can be represented as a hierarchical structure.The document node is the root node of each

The previous article introduced how javascript accesses nodes. This article describes how JavaScript operates nodes (including adding, deleting, modifying, and querying nodes ). Based on the previous introduction, we know that the XML document

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/*Javascript Implementation of dom (basic)Author: shine*/Dom is a Document Object Model that defines methods and attributes for operating XML documents, but it is only a series of interfaces implemented by other languages, such as xerces in Java,