Document use of isBefore(), isSame(), isAfter() without parameters · Issue #30 · moment/momentjs.com · GitHub
Unexpected results from isSame, isBefore and isAfter when zone is used to modify offset · Issue #1891 · moment/moment · GitHub
![javascript - Moment.js-2.9.0 isSame and isAfter returns incorrect result in the same timezone - Stack Overflow javascript - Moment.js-2.9.0 isSame and isAfter returns incorrect result in the same timezone - Stack Overflow](https://i.stack.imgur.com/lo7wU.png)
javascript - Moment.js-2.9.0 isSame and isAfter returns incorrect result in the same timezone - Stack Overflow
![isAfter() returns `true` when given an `undefined` or `null` variable · Issue #2697 · moment/moment · GitHub isAfter() returns `true` when given an `undefined` or `null` variable · Issue #2697 · moment/moment · GitHub](https://user-images.githubusercontent.com/6319250/33144503-2d46b22c-cf72-11e7-9dfe-b206b430bbdf.png)
isAfter() returns `true` when given an `undefined` or `null` variable · Issue #2697 · moment/moment · GitHub
![The setup of the experiment is as before. You need to find the moment of inertia of the wheel. Consider that the initial state of the system is after the hanging mass The setup of the experiment is as before. You need to find the moment of inertia of the wheel. Consider that the initial state of the system is after the hanging mass](https://homework.study.com/cimages/multimages/16/eeee493700534164336003491.png)