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showing results for - "how to use javascript map 28 29 method to access nested objects 3f"
Virgile
10 Oct 2020
1const items = [
2  { id: 1, name: 'Nike Air Max 97', inStock: true },
3  { id: 2, name: 'Adidas Continental', inStock: true },
4  { id: 3, name: 'Adidas Supercourt', inStock: true },
5  { id: 4, name: 'Nike Jordan Dunks', inStock: true }
6]
7// ? Create a new array "itemsCopy" from it using map
8// update the Nike Jordans Dunks in the copyArray to 
9// have an "inStock" value of false. 
10// Make sure using console.log that you have not affected 
11// the original items array.
12const itemsCopy = items.map(item => {
13  if (item.id === 4) {
14    return { ...item, inStock: false }
15  }
16  return { ...item }
17})
18console.log('og', items)
19console.log('new', itemsCopy)
Lara
26 Jan 2019
1//access value by using map
2var personsInfo = {
3    company: 'sp-coder',
4    persons: [{
5        id: 1,
6        name: 'Adil'
7    }, {
8        id: 2,
9        name: 'Arif'
10    }]
11};
12const getNames = personsInfo.persons.map((data) => data.name);
13console.log(getNames);
14//Expected Output is [ 'Adil', 'Arif' ]
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