Thursday, 22 September 2011

Cross-Browser CSS Properties(Cross Browser DHTML)

Cross-Browser CSS Properties:
Because the goal of this document is to produce DHTML that works in both Netscape and Internet Explorer, here are some of the CSS styles/properties we can use. Generally, the following properties are the ones that work (fairly closely) to the standards as defined by the W3C.
Defines how the DIV tag will be positioned - "relative" means that the DIV tag will flow like any other HTML tag, whereas "absolute" means the DIV will be positioned at specific coordinates. Absolute positioning will be the topic of most of this tutorial.
Left location (the number of pixels from the left edge of the browser window).
Top location (the number of pixels from the top edge of the browser window).
Width of the DIV tag. Any text/html that is inserted into the DIV will wrap according to what this value is. If width is not defined it will all be on one line.
When using layers for animation you should always define the width. This is because in IE the default is the entire width of the screen. If you move the layer around the screen a scrollbar will appear at the bottom, which is annoying and causes the animation to slow down.
Height of the DIV tag. This property is rarely needed unless you also you want to clip the layer
Defines the clipping (crop) rectangle for the layer. Makes the DIV into a precisely defined square. You define the size of the rectangle with the values of the four edges:
Determines whether the DIV will be "visible", "hidden", or "inherit" (default).
The stacking order of DIV tags.
Background color of the DIV. In Netscape this property only applies to the background color of the text. When you want to draw squares with CSS you must also define the layer-background-color property to the same value.
Background color of the DIV for Netscape.
Background image for Internet Explorer. In Netscape this property only applies to the background-image for the text.
Background image of the DIV for Netscape.

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