what is map javascript code example
Example 1: javascript map array
const myArray = ['Sam', 'Alice', 'Nick', 'Matt'];
const newArray = myArray.map(name => {
return 'My name is ' + name;
});
console.log(newArray);
const anotherArray = myArray.map((value, index) => index + ": " + value);
console.log(anotherArray);
console.log(myArray);
Example 2: javascript map
function listFruits() {
let fruits = ["apple", "cherry", "pear"]
fruits.map((fruit, index) => {
console.log(index, fruit)
})
}
listFruits()
Example 3: map in javascript
const arr = [1,2,3,4]
const sqrs = arr.map((num) => num ** 2)
console.log(sqrs)
console.log(arr)
Example 4: map in js
const data = {name: "laptop", brands: ["dell", "acer", "asus"]}
let inside_data = data.brands.map((i) => {
console.log(i);
});
Example 5: map javascript
function each(collection, action) {
if (Array.isArray(collection)) {
for (var i = 0; i < collection.length; i++) {
action(collection[i], i, collection);
}
} else {
for (var key in collection) {
action(collection[key], key, collection);
}
}
}
Example 6: map in javascript
['elem', 'another', 'name'].map((value, index, originalArray) => {
console.log(.....)
});