iterate over map key value javascript
recipeMap.forEach((value, key) => {
console.log(`${key} costs ${value}`);
});iterate over map key value javascript
recipeMap.forEach((value, key) => {
console.log(`${key} costs ${value}`);
});js foreach key value
Object.keys(obj).forEach(function (key) {
// do something with obj[key]
});javascript map foreach
const myArray = ['Sam', 'Alice', 'Nick', 'Matt'];
// Appends text to each element of the array
const newArray = myArray.map(name => {
return 'My name is ' + name;
});
console.log(newArray); // ['My name is Sam', 'My Name is Alice', ...]
// Appends the index of each element with it's value
const anotherArray = myArray.map((value, index) => index + ": " + value);
console.log(anotherArray); // ['0: Sam', '1: Alice', '2: Nick', ...]
// Starting array is unchanged
console.log(myArray); // ['Sam', 'Alice', 'Nick', 'Matt']Copyright © 2021 Codeinu
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