how to refer to the array when using javascript map function code example

Example 1: javascript map array

const sweetArray = [2, 3, 4, 5, 35]
const sweeterArray = sweetArray.map(sweetItem => {
    return sweetItem * 2
})

console.log(sweeterArray)

Example 2: map a property from array of objects javascript

var result = objArray.map(function(a) {return a.foo;});