AngularJS 'scrollTop' 等价的? [英] AngularJS 'scrollTop' equivalent?

问题描述

我希望在 AngularJS 指令中实现类似的东西:

I'm looking to implement something similar to this in an AngularJS directive:

https://github.com/geniuscarrier/scrollToTop/blob/master/jquery.scrollToTop.js

这相当简单，当您不在页面顶部时，它会淡入一个按钮以滚动到顶部:

It's fairly straightforward, when you are not at the top of the page it will fade in a button to scroll to the top:

$(window).scroll(function() {
  if ($(this).scrollTop() > 100) {
    $this.fadeIn();
  } else {
    $this.fadeOut();
  }
});

但是，我很难找到如何在 Angular 中获取当前滚动位置.我宁愿不必只为这件事使用 jQuery.

However I'm having a hard time finding how to get the current scroll location in Angular. I'd rather not have to use jQuery just for this single thing.

推荐答案

$window.pageYOffset

这是来自服务 $window 的属性

This is property from service $window

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