/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']

Similar codes

2 votes119 views1 answer
React not getting img by src
Javascript React
0 vote117 views2 answers
Selected css based on route react
Javascript React
-2 votes126 views1 answer
React router previous location
Javascript React
32 votes119 views2 answers
Npm react router dom@5
Javascript React
1 vote116 views1 answer
React native header
Javascript React
0 vote129 views3 answers
Add webpack to react project
Javascript React
15 votes111 views1 answer
React forwardref
Javascript React
0 vote181 views1 answer
React flip move
Javascript React
0 vote138 views1 answer
What is the difference between throttling and debounce and raf throttling in react
Javascript React
-1 vote124 views1 answer
What is the use of consrtructors in reactjs
Javascript React