Angular 2+ 中 ngShow 和 ngHide 的等價物是什麼？ - What is the equivalent of ngShow and ngHide in Angular 2+?

問題：

I have a number of elements that I want to be visible under certain conditions.我有許多元素希望在某些條件下可見。

In AngularJS I would write在 AngularJS 中，我會寫

<div ng-show="myVar">stuff</div>

How can I do this in Angular 2+?我怎樣才能在 Angular 2+ 中做到這一點？

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解決方案：

參考一： https://en.stackoom.com/question/2PHU3
參考二： https://stackoom.com/question/2PHU3