/Javascript/React/How to skip the undefined values from the list and filter the rest of the data in react js

How to skip the undefined values from the list and filter the rest of the data in react js

Remove null from array javascript

let array = [0, 1, null, 2, 3];

function removeNull(array) {
return array.filter(x => x !== null)
};

Source: edabit.com

How to skip the undefined values from the list and filter the rest of the data in react js

let shops = [
  {
    name: 'shop1',
    tags: ['s', 'd', 'f'],
    country: 'rda'
  },
  {
    name: 'shop2',
    tags: ['e', 'd', 'r'],
    country: 'ke'
  },
  {
    name: 'shop3',
    tags: ['p', 'u', 'i'],
    country: 'rda'
  },
  {
    name: 'shop4',
    tags: ['a', 'k', 'l'],
    country: 'bu'
  }
]

function getRdaShops(){
  retun shops.map(sh=>{
    if(sh.name && sh.country==='rda') return sh.name
  }).filter(sh=>sh!==undefined)
}

//Answer: ['shop1', 'shop3']

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