javascript - Issues with offsetTop when HTML margin is applied -

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if set css

html {     margin: 10px;     border 10px solid #ccc;     padding: 10px; }

and try offsettop of element, possible convince browsers (ie , ch) not ignore document margin in calculation? firefox works expected reporting values according rendered html (uses 3 values).

is there fast cross-browser way of calculating offsettop when offsetparent body. unfortunately jquery's .offset() doesn't trick here :(

this code thinking , started.

the idea use htmlelement.getboundingclientrect() function that's supported major browser these days (and has been quite time now). difference i've found out when running against document.documentelement element. ff , chrome don't report bottom values according view port rather whole document itself.

so careful.


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