let dict = {}; // new & empty object
dict["javascript"] = 5;
dict["c"] = 8;
dict["rust"] = 1;
dict["dart"] = 7;
dict.python = 2; // dict.key == dict["key"]
console.log("key - values:");
for (let key in dict) {
if (dict.hasOwnProperty(key)) {
console.log(key + ' - ' + dict[key]);
}
}
let keys = Object.keys(dict);
console.log("\nkey:");
keys.map(function(key) {
console.log(key);
});
let values = Object.values(dict);
console.log("\nvalues:");
values.map(function(value) {
console.log(value);
});
/*
run:
"key - values:"
"javascript - 5"
"c - 8"
"rust - 1"
"dart - 7"
"python - 2"
"key:"
"javascript"
"c"
"rust"
"dart"
"python"
"values:"
5
8
1
7
2
*/
