how to iterate over a map in javascript code example
Example 1: loop through map in js
const object = {'a': 1, 'b': 2, 'c' : 3};
for (const [key, value] of Object.entries(object)) {
console.log(key, value);
}
Example 2: loop through map in js
var myMap = new Map();
myMap.set("0", "foo");
myMap.set(1, "bar");
myMap.set({}, "baz");
for (const [key, value] of myMap.entries()) {
console.log(key, value);
}
Example 3: js loop trough map
for (let key of map) {
console.log(key);
}
Example 4: use map to loop through an array
let squares = [1,2,3,4].map(function (val) {
return val * val;
});