How to detect which object in array has changed property value?

Question

I have an array of objects. User can change value of some property in that array of objects. What i want to detect which object has changed. I musing iterableDiffer but i dont know how to display only those that are changed. Any suggestion ?

   let changes = this.iterableDiffer.diff(this.workorders);
        if (changes) {

       }