getelementbyid method

web| page We know that the easiest way to reference an HTML element in a Web page is to use the getElementById method, or a similar set of GETELEMENTSBYXXX methods. However, it should be noted that none of these methods can really uniquely determine

The full name of the DOM is the Document Object model. It is an API for HTML and XML documents. It defines the logical structure of the document, as well as the way in which documents are accessed and manipulated. With the DOM, developers can

Prototype1.5 related knowledge and others' notes have never had time to read prototype. Now it is ready and has been updated to 1.5 pre1, this is another shortcut to improve your JS capabilities. 1. What is Prototype? Maybe you haven't used it.

Because of jquery's ease of use, many friends still need to pay attention to the performance issues. The following are some of Zeng xiangzhan's skills. Cache jquery objects inIn a for loop, do not access the length attribute of the array every time.

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

Html dom tutorial, html dom tutorialHTML DOM DOM tutorial Introduction to DOM DOM Node DOM method DOM attributes DOM access DOM Modification DOM content DOM Element DOM events DOM navigation 1. Introduction to HTML DOM DOM is the

Since HTML5 became popular, the entire web platform has made great strides, and people are beginning to see JavaScript as a language that can create complex applications. Many new APIs are emerging, and articles about how browsers apply these

The speed of various methods of selecting elements, using the native method is almost 8 times times faster than jquery, IE8 is the slowest, IE9 speed is almost IE8 3 times times, chrome performance is the best, followed by FirefoxTo select a

Now the hottest front-end frames are angularjs, React, Bootstrap, and so on. Since the virtual DOM and the modular development of Reactjs,reactjs have attracted me, let's take a taste of it with me.Reactjs Style Bar ~ ~ Chapter A bit long, patient

JQuery. data () stores dataImplementation of jQuery. data () JQuery. data () is used to append data to a common object or DOM Element.The implementation method is analyzed in three parts:1. append data with name and value. Three parameters are input.

Getelementsbyname () methodReturns a collection of node objects with the specified name.Grammar:Document.getelementsbyname (name)Unlike the getElementById () method, the element is queried through the element's Name property, not through the id

I can understand it at a glance. Reactjs Introductory Tutorial (Elite Edition)Now the hottest front-end frames are angularjs, React, Bootstrap, and so on. Since the virtual DOM and the modular development of Reactjs,reactjs have attracted me, let's

CSS design guide, Study Notes 1, css design guide This article is about some notes and Experiences after reading Charles Wyke-Smit's "CSS design guide" over the past few days. I seem to be getting started with web design when I was a freshman,

Now the hottest front-end frames are angularjs, React, Bootstrap, and so on. Since the virtual DOM and the modular development of Reactjs,reactjs have attracted me, let's take a taste of it with me.Reactjs Style Bar ~ ~ Chapter A bit long, patient

Zepto is a lightweight JavaScript library for modern advanced browsers, which has a similar API to jquery. If you can use jquery, you'll also use Zepto. Heard yesterday Zepto.js, just recently also relatively busy, so learn about this famous

Go: http://www.ibm.com/developerworks/cn/xml/wa-ajaxintro1.html mastering Ajax, Part 1th: Introduction to Ajax PrimerUnderstanding Ajax and how it works, an effective way to build a websiteAjax is made up of HTML, JavaScript™ technology, DHTML, and

AjaxI have heard a lot about this word, but I have never really touched it, so I 'd like to know it here.The innovation of Ajax technology is that it improves the traditional "request-wait-response-refresh-return data" mode. Before returning

Now the hottest front-end frames are angularjs, React, Bootstrap, and so on. Since the virtual DOM and the modular development of Reactjs,reactjs have attracted me, let's take a taste of it with me.Reactjs Style Bar ~ ~ Chapter A bit long, patient

I started to learn the JavaScript scripting language. After several days of special learning. I learned that JavaScript is a prototype-based development language. How is it based on the prototype? Despite checking a lot of information, I am still

First of all, we need to acknowledge the strong charm of jQuery. It is a lightweight and user-friendly way to accompany us through every day of desktop browser development. This is one of the mainstream frameworks commonly used in desktop browser