map = new Map();
map.set('key1', 'value1');
map.set('key2', 'value2');
for (let [key, value] of map.entries()) {
console.log(key + ' - ' + value)
}
const object = {'a': 1, 'b': 2, 'c' : 3};
for (const [key, value] of Object.entries(object)) {
console.log(key, value);
}
let map1 = new Map();
map1.set('name', 'Jack');
map1.set('age', '27');
// looping through Map
for (let [key, value] of map1) {
console.log(key + '- ' + value);
}
let map = new Map();
map.set('key1', 'value1');
map.set('key2', 'value2');
for (let [key, value] of map.entries()) {
console.log(key + ' - ' + value)
}
for (let key of map) {
console.log(key);
}
var myMap = new Map();
myMap.set("0", "foo");
myMap.set(1, "bar");
myMap.set({}, "baz");
for (const [key, value] of Object.entries(myMap)) {
console.log(key, value);
}
// Durations are in minutes
const tasks = [
{
'name' : 'Write for Envato Tuts+',
'duration' : 120
},
{
'name' : 'Work out',
'duration' : 60
},
{
'name' : 'Procrastinate on Duolingo',
'duration' : 240
}
];
const task_names = tasks.map(function (task, index, array) {
return task.name;
});
console.log(task_names) // [ 'Write for Envato Tuts+', 'Work out', 'Procrastinate on Duolingo' ]