DHTML Search Engine Optimization

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Dynamic HTML, or DHTML, is essentially a combination of HTML, JavaScript, and CSS. It is this group of technologies when brought together; allows us to create a dynamic website. HTML gives the basic structure to the web page, while JavaScript gives the ability to manipulate the data and CSS allows us to define the presentation and style of the document. DHTML is also the result of several built-in browsers for functionality in fourth-generation browsers. It’s the ability to make web pages more interactive, it’s not a scripting language like JavaScript; In fact, for some externals, it is a browser extension that leads to some dynamic features. Browsers such as Netscape Navigator and Internet Explorer have their own implementation of DHTML, so it is not possible to write a single piece of DHTML code and expect it to work correctly in both browsers. In this chapter we will look at the DHTML implementation for these two browsers separately.


To create a powerful effect, Netscape uses the layer tag. With the help of the layer, you can position objects anywhere on the processing of search engine optimization and web designed pages. The basic syntax of the layer tag is very simple.

The layer tag is a content tag, which means you can add content such as text or HTML tags to it. You can define simple content within a layer, or move or hide it using JavaScript. When you display a layer, it floats over other text on the page, giving a similar look.

Layer Essential follow the parent-child relationship when displaying information. You can paste one layer into another; That is, you can create a parent or main layer and place child or other inline layers within it.

Absolute positioning of layers

Positioned layers are created with the . A level alone can’t give you much dynamism; the attributes of the layer are sufficient. Layers support attributes that allow you to position them using x,y coordinates. You can give layers a background, make only certain layers visible, or hide them completely.

The attribute ID is used to give the layer a name. Using id is very useful when you’ve manipulated layers using scripts. The left and top attributes indicate the layer’s position in terms of pixel spacing. This is important when using HEIGHT and WIDTH. Note that if you don’t use the width attribute, the layer defaults to as large as possible, as your web page design might be very different. On the other hand, if you don’t use the height attribute, your layer won’t be disproportionate since it just inherits the height of the content. And BGCOLOR gives your layer a background color of course.

Source by Merilin Hooposhy

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