How to get changed elements from Observable (rxjs)

Question

I have question about Observable in rxjs. In my angular project i have table with data(i'm using handsontable) and observable of this data, wich i send ot api. But i want to send only elements that have been changed in the table. Is there any operator in rxjs that can find changes in observable?

Answer 1

我不确定我是否正确理解了问题，但也许distinctUntilChanged会有所帮助。