offset JQuery function in native Javascript
详解JS位置、宽高属性之一：offset系列-CSDN博客
jQuery offset scroll | How to use jQuery offset scroll with Examples?
jQuery scrolltop offset | Learn How to use jQuery scrolltop offset?
javascript - Using jquery to get element's position relative to viewport - Stack Overflow
Image location by offsetLeft and offsetTop value in JavaScript
HTML DOM offsetTop Property - GeeksforGeeks
jquery的offset().top和js的offsetTop的区别，以及jquery的offset().top的实现方法- 那狗子真肥- 博客园
jQuery scrolltop offset | Learn How to use jQuery scrolltop offset?
Element size and scrolling
JS offsetTop property is not great and here is why | by Alexandru Cambose | Medium
javascript - Why window.scrollY + element.getBoundingClientRect().top is not equal to element.offsetTop? - Stack Overflow
javascript - vertical offset for element - Stack Overflow
What is difference offset() and position()
HTMLElement: offsetHeight property - Web APIs | MDN
javascript - Web page viewport offset on screen - Stack Overflow
javascript - Align div in the same offset top than another - Stack Overflow
What is the HTML DOM Element offsetTop Property in JavaScript
javascript - offset.top value different in document ready and console.log() why? - Stack Overflow
How to Set the Offset in jQuery
javascript - How to calculate top and left offset of a crop area inside an image container (canvas) before rotating? - Stack Overflow
HTML DOM offsetTop 属性| 菜鸟教程
javascript - Offset().top not returning the value on page load - Stack Overflow
javascript - jQuery - On scroll remove class above and below - Stack Overflow
