EN
TypeScript - array map method example
4 points
In TypeScript it is posslbe to map array in following way.
This section shows how to make example conversion of array items.
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let inputArray = [2
{3
id : 1,4
name : 'John',5
email : 'john@gmail.com',6
password : 'john-password',7
age : 438
},9
{10
id : 2,11
name : 'Kate',12
email : 'kate@gmail.com',13
password : 'kate-password',14
age : 5415
},16
{17
id : 3,18
name : 'Diego',19
email : 'diego@gmail.com',20
password : 'diego-password',21
age : 2122
},23
];24
25
let outputArray = inputArray.map((oldItem : any) : any =>26
{27
let newItem = {28
name : oldItem.name,29
age : oldItem.age30
};31
32
return newItem;33
});34
35
console.log(outputArray);Output:
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[ 2
{ name: 'John', age: 43 },3
{ name: 'Kate', age: 54 },4
{ name: 'Diego', age: 21 }5
]Note:
Array.prototype.mapmethod is usefull to simplyfy arrays.
