Convert object's properties and values to array of key value pairs

Question

I\'m fairly new to JavaScript and am not sure this is possible to do but basically I would like to take an object and convert it into an array of strings in the format;

Answer 1

var obj =[
            {'2018-05-07':1},
            {'2018-05-08':3},
            {'2018-05-09':2}
        ];

        for(var i of obj) {
            var key = Object.keys(i).toString();
            console.log(i,'=',i[key]);
        }

Result

: