How to Implement position: fixed effect and positionfixed in IE6

How to Implement position: fixed effect and positionfixed in IE6

How to Implement position: fixed in IE6:
Suggestion: writing code as much as possible can effectively improve learning efficiency and depth.
Because IE6 does not support position: fixed, many good effects cannot be achieved, but IE6 does not, the following example describes how to achieve this effect. The code example is as follows:

<! DOCTYPE html> 
The above code is compatible with IE6 and other mainstream browsers. The core code to achieve this effect is:
_top:expression(eval(document.documentElement.scrollTop));
Note: after this line of code is added, the top function in IE6 is invalid. Therefore, add _ margin-top.
Although the above Code implements the desired function, it is still a problem, that is, it will shake when dragging the scroll bar. The code is modified as follows:
<! DOCTYPE html> 
The above code perfectly implements the functions we want. Add the following code on the basis of the first instance:
*html{  background-image:url(about:blank);  background-attachment:fixed;}
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