How To Make A Transition Effect Up The Input On Change

I need to place this particular effect on a dropdown I need to place this particular effect on a dropdown where the placeholder goes up and the new vale takes the field, just by us

Solution 1:

This kind of input that you wanted, called material design input, where the google announced it a few years ago. Chris on code describe how to implement this in a good way that you can use or customize it by yourself. you can follow the link below for more information: Material Design Input