document getelementsbytagname

HTML Dom tutorial 5-html Dom node access   1: common methods for finding and accessing nodes Use the getelementbyid () and getelementsbytagname () methods; Use the parentnode, firstchild, and lastchild attributes of an element node;

Don't be surprised, this article.ArticleInstead of talking about bye-bye with these two labels, we can further use these two labels. Okay. At the beginning of this lesson, the first example is to use js to control the two labels. Oh, by the way, I

A netizen asked a question, as shown in the following html, why is the output of all p paragraphs 5 rather than alert corresponding to 0, 1, 2, 3, and 4. closure demonstration product 0 product 1 product 2

GetAttribute () methodSo far, we have introduced two methods to retrieve specific element nodes: getElementById () and getElementsByTagName. After finding the element, we can use the getAttribute () method to query the values of its various

/*** @ Author Super Sha* QQ: 770104121* E-Mail: supei_shafeng@163.com* Publish date: 2009-3-27* All Rights Reserved*/Var JsHelper ={}; // declare a JsHelper root namespaceJsHelper. DOM ={}; // declare the DOM namespace under the JsHelper

1 average score for each person (only one score for repeated replies ):Javascript: var t = function (tag, s) {return (s | document ). getElementsByTagName (tag) ;}; var n = function (name) {return document. getElementsByName (name)}; var total = t ("

When Javascript is used for object-oriented development, many methods that simulate object-oriented features are always used. These methods constitute the JQury framework, the core code supporting object-oriented Javascript, which is definitely the

A very good javascript class. A very good javascript class. The Code is as follows: /** Author: aoao* Homepage: http://www.loaoao.com* Email: loaoao@gmail.com/QQ: 2222342* Copyright (c) 2006 aoao* Licensed under a Creative Commons Attribution 2.5

Static pages can also be used to display different preview lists in original ways. In order to facilitate content viewing, I have added Preview listTwo list display modes It was written in-10 months. For details, enter the source. Foot home The

Only the HTMLElement in IE has the clearAttributesmergeAttributes method. They are non-standard ones. clearAttributes () This method is used to clear all user-defined attributes. As follows: The Code is as follows: Division Script Var p =

In all form items, the file upload part is the most difficult to add styles. IE supports some (not many) style attributes, few Mozilla, and few other browsers. The "Browse" button is also difficult to access in CSS operations. Problem In a website,

SetAttribute (), setattribute ● Nodes are divided into different types: Element nodes, attribute nodes, and text nodes.● The getElementById () method returns an object that corresponds to a specific element node in the document.● The

This article introduces anonymous functions and closures in detail, provides detailed examples and precautions. It is a very good article and is recommended to you. 1. Anonymous Functions Functions are the most flexible objects in JavaScript. Here

First, clone a DOM, set position: absolute, set top to a relatively large negative value, and display it. Finally, retrieve the width and height of the DOM and remove it.The Code is as follows:Js CodeCopy codeThe Code is as follows:Function getCss

Copy codeThe Code is as follows:// Dynamically load external js filesVar flag = true;If (flag ){LoadScript ("js/index. js ");};Function loadScript (url ){Var script = document. createElement ("script ");Script. type = "type/javascipt ";Script. src =

During iteration, we should also note that the elements in an object or array may be any value-except for the original type value, object, and arrray, this value may also be a method, a DOM object, or a window object. You may have noticed that some

Basic knowledge Review: DOM (Document Object Model) is a Document Object Model. DOM actually treats HTML as an XML file and looks at HTML from an Object's perspective, it can be said that DOM is the most useful invention of Web following

Javascript: target & nbsp; How to Use & nbsp; JS & nbsp; to control attributes ?, Javascript tutorial How to Use JS to control the target attribute of a link? The target attribute cannot be used in tags in HTML 4.0 Strict or XHTML 1.0

A hidden DOM cannot be obtained. If you want to obtain it, use the following method: first clone a DOM, set position: absolute, and then set top to a relatively large negative value, then display it, and get the width and height of the DOM, and

We have introduced some new HTML5 selectors, including querySelector (), querySelectorAll (), and getElementsByClassName (). These three features have their own unique functions. If you need them, you can refer to the related content in HTML5