javascript map function return object code example
Example 1: typescript map list to new list of objects
var result = arr.map(person => ({ value: person.id, text: person.name }));
console.log(result)
Example 2: object to map javascript
const map = new Map(Object.entries({foo: 'bar'}));
map.get('foo'); // 'bar'
Example 3: javascript map function
/* Answer to: "javascript map function" */
/*
<Array>.map() - One of the most useful in-built methods in JavaScript (imo).
The map() method creates a new array populated with the results of calling
a provided function on every element in the calling array.
For more information, click on the source link.
Let me make some examples of it's uses:
*/
let array = [1, 4, 9, 16];
array.map(num => num * 2); // [2, 8, 18, 32];
array.map(pounds => `£${pounds}.00`); // ["£1.00", "£4.00", "£9.00", "£16.00"];
array.map(item => Math.sqrt(item)); // [1, 2, 3, 4];