JAVASCRIPT

Object.hasOwnProperty.call

const data = {
	a: 'a value'
}
// esnext, esm valid
const hasA = Object.hasOwnProperty.call(data, 'a'); // true
// browser, vanillajs, esnext, esm, commonjs
const hasA = data.hasOwnProperty('a'); // true

hasOwnProperty.call js

var foo = {
  hasOwnProperty: function() {
    return false;
  },
  bar: 'I belong to foo'
};