Ramda includes

js:

const cities = ['London', 'Boston', 'Prague'];



const filterByCities = item => R.includes(R.prop('city', item), cities);



const data = [

  { name: 'John', city: 'London' },

  { name: 'Lenny', city: 'New York' },

  { name: 'Andrew', city: 'Boston' },

  { name: 'Peter', city: 'Prague' },

  { name: 'Anna', city: 'Bratislava' },

  { name: 'Albert', city: 'Bratislava' },

  { name: 'Adam', city: 'Trnava' },

  { name: 'Robert', city: 'Bratislava' },

  { name: 'Robert', city: 'Prague' }

];



var dataUpd = R.pipe(

  R.filter(filterByCities)

)(data);



alert( JSON.stringify(dataUpd) );

Result: