Sifa offsetTop

Sifa offsetTop ina makutano ya kipengele kutoka juu kuhusiana na offsetParent. Ina umbali kutoka offsetParent hadi mpaka wa kipengele.

Sintaksia

javascriptkipengele.offsetTop;

Mfano

Wacha tupate makutano ya kipengele kuhusiana na offsetParent yake:

html<div id="parent" style="position: relative;">
  <div id="elem" style="position: absolute; top: 100px;"></div>
</div>

javascriptlet elem = document.querySelector('#elem');
console.log(elem.offsetTop);

Matokeo ya utekelezaji wa kificho:

javascript100

Mfano

Vizingiti margin pia huongezwa kwenye makutano:

html<div id="parent" style="position: relative;">
  <div id="elem" style="position: absolute; top: 100px; margin: 50px;"></div>
</div>

javascriptlet elem = document.querySelector('#elem');
console.log(elem.offsetTop);

Matokeo ya utekelezaji wa kificho:

javascript150

Angalia pia