offsetTop xususiyati

offsetTop xususiyati elementning yuqori tomondan offsetParent ga nisbatan siljishini o'z ichiga oladi. offsetParent dan element chegarasigacha bo'lgan masofani o'z ichiga oladi.

Sintaksis

element.offsetTop;

Misol

Keling, elementning o'zining offsetParent ga nisbatan siljishini topamiz:

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

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

Kodni bajarish natijasi:

100

Misol

margin chekinishlari ham siljishga qo'shiladi:

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

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

Kodni bajarish natijasi:

150

Shuningdek qarang

offsetLeft xususiyati,
bu elementning chap tomondan siljishini o'z ichiga oladi
getBoundingClientRect metodi,
bu elementning siljishini topadi