Object doesn't support property or method 'entries'

Question

I am working with the FormData object, while my code works well on Chrome, Microsoft Edge spits out the following error message Object doesn\'t support property or met

Answer 1

I have added the below code in my polyfills.ts and it worked for me.

import 'core-js/es7/object';
import 'core-js/es7/array';

if (!Object.entries)
  { Object.entries = function(obj)
        { 
          var ownProps = Object.keys(obj),
          i = ownProps.length,
          resArray = new Array(i); // preallocate the Array while (i--) 
          resArray[i] = [ownProps[i], obj[ownProps[i]]]; 
          return resArray; 
        }; 
  }