javascript Jquery position() 包含边距
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Jquery position() include margin
提问by user1506145
If I want to include the margin when measuring the width of an element I may call element.outerWidth(true);However, I can't find a similar way to get the left offset of an element in a container, where the margin is included. element.position().leftdoesn't include margin.
如果我想在测量元素的宽度时包含边距，我可能会调用element.outerWidth(true);但是，我找不到类似的方法来获取包含边距的容器中元素的左偏移量。element.position().left不包括保证金。
I've tried element[0].getBoundingClientRect().left, and that works but is there a similar jquery call?
我已经尝试过了element[0].getBoundingClientRect().left，并且有效，但是是否有类似的 jquery 调用？
EDIT: It seems that the native javascript call above doesn't give me the margin either..
编辑：上面的原生 javascript 调用似乎也没有给我余量。
回答by Philip Dernovoy
This is a limitation of jQuery's .position(), which has this limitation:
这是 jQuery 的 .position() 的一个限制，它有这个限制：
Note:jQuery does not support getting the position coordinates of hidden elements or accounting for borders, margins, or padding set on the body element.
注意：jQuery 不支持获取隐藏元素的位置坐标，也不支持在 body 元素上设置边框、边距或填充。
Recommended solution:
推荐解决方案：
var position = $element.position();
x = position.left + parseInt($element.css('marginLeft'), 10);
y = position.top + parseInt($element.css('marginTop'), 10);
回答by Payer Ahammed
Use Jquery offset() function
使用 Jquery offset() 函数
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>offset demo</title>
<style>
p {
margin-left: 10px;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<p>Hello</p><p>2nd Paragraph</p>
<script>
var p = $( "p:last" );
var offset = p.offset();
p.html( "left: " + offset.left + ", top: " + offset.top );
</script>
</body>
</html>
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