Javascript 在javascript中获取div位置(顶部)?
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Get div position (top) in javascript?
提问by Alexey Ogarkov
One div i set the height in css using top:-26px;
. I have other divs other places where i'd like to align with that div. I notice in jquery writing .css('top')
gets me my css and not the y coord of the div. How do i get the absolute x,y position using javascript?
一个 div 我使用 .css 在 css 中设置了高度top:-26px;
。我在其他地方还有其他 div,我想与该 div 保持一致。我注意到在 jquery 写作中.css('top')
我得到了我的 css 而不是 div 的 y 坐标。我如何使用 javascript 获得绝对的 x,y 位置?
回答by rlemon
I will give you the vanilla solution.. don't complain.. add a [0] to your element and it's fixed! :P hope this helps.
我会给你香草的解决方案..不要抱怨..在你的元素中添加一个 [0] 并且它已经修复了!:P 希望这会有所帮助。
function getOffset( el ) {
var _x = 0;
var _y = 0;
while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {
_x += el.offsetLeft - el.scrollLeft;
_y += el.offsetTop - el.scrollTop;
el = el.offsetParent;
}
return { top: _y, left: _x };
}
var x = getOffset( document.getElementById('yourElId') ).left;
回答by Alexey Ogarkov
You can use jQuery(element).offset().top
您可以使用 jQuery(element).offset().top
Hope it helps.
希望能帮助到你。
回答by VisioN
Try this code:
试试这个代码:
function getElementPosition(id) {
var offsetTrail = document.getElementById(id);
var offsetLeft = 0;
var offsetTop = 0;
while (offsetTrail) {
offsetLeft += offsetTrail.offsetLeft;
offsetTop += offsetTrail.offsetTop;
offsetTrail = offsetTrail.offsetParent;
}
return {
left: offsetLeft,
top: offsetTop
};
}?
It will return an object with left
and top
variables.
它将返回一个带有left
和top
变量的对象。
If you use JQuery try offset()
method:
如果您使用 JQuery tryoffset()
方法:
var pos = $("#element").offset();
console.log(pos.left)
console.log(pos.top)
回答by Simon Steinberger
Cross browser safe down to IE 8, possibly even 7 or 6:
跨浏览器安全到 IE 8,甚至可能是 7 或 6:
function offset(el) {
var rect = el.getBoundingClientRect(),
scrollLeft = window.pageXOffset || document.documentElement.scrollLeft,
scrollTop = window.pageYOffset || document.documentElement.scrollTop;
return { top: rect.top + scrollTop, left: rect.left + scrollLeft }
}
var offsetEl = offset(document.getElementById('some_id'));
console.log(offsetEl.left, offsetEl.top);
Short and fast and no jQuery needed.
简短而快速,不需要 jQuery。
回答by Heider Sati
var MyElement = document.getElementById("...Your_DIV_Control..."); var top = MyElement.getBoundingClientRect().top;
var MyElement = document.getElementById("...Your_DIV_Control..."); var top = MyElement.getBoundingClientRect().top;
回答by Kalpesh Prajapati
Use jQuery(element).offset()
使用 jQuery(element).offset()
Hope it helps.
希望能帮助到你。
For example
例如
var elementPosition = jQuery(element).offset();
var elementTopPositon = elementPosition.top;
回答by D. Strout
With standard JavaScript:
使用标准 JavaScript:
var elem=document.getElementById("elemID");
var top=elem.offsetTop;
var left=elem.offsetLeft;
With jQuery:
使用 jQuery:
var top=$("#elemID").offset().top;
var left=$("#elemID").offset().left;