Object

const taskObjects = {
  task: 'code',
  date: 'today',
  repeat: true
}
console .log(taskObjects)
//{task: "code", date: "today", repeat: true}

More "traditional" key/value Easier to write and access values with . and [ ] Use when you need to include

Functions

(methods) Use when working with JSON (can convert to map)

Maps

const taskMaps = new Map( [
   ['task', 'code'],
   ['date', 'today'],
   [false, 'start coding!'],
]);
console .log(taskMaps)
//{"task" => "code", "date" => "today", false => "start coding!"}

Better performance Keys can have any data type Easy to iterate Easy to compute size Use when you simply need to map key to values Use when you need key that are

not

strings