javascript - Item position type shift from relative to static effect? -



javascript - Item position type shift from relative to static effect? -

how effect named ? how implemented

you can see on this page on portofolio filter box.

i've seen around year, it's interesting pattern, it's famous gmail uses it.

you can view javascript use: fixed.js

their css:

#rightfloat { float: right; padding-top: 20px; position: absolute; top: 0; width: 205px; } #rightfloat.fixed { position: fixed; top: 0; }

what name? have no clue if has name :) bet people phone call 100 different things.

[edit:] names have heard : sticky scroll, contained sticky scroll, conditional sticky scroll, watermarked content.

javascript html css effects

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