javascript-learner/4.1object/t1.js
2024-06-02 12:22:16 +02:00

11 lines
306 B
JavaScript

let user = {};
for(key in user) alert(key, user[key]);
user["name"] = "John"
for(key in user) alert(key, user[key]);
user["surname"] = "Smith"
for(key in user) alert(key, user[key]);
user["name"] = "Pete"
for(key in user) alert(key, user[key]);
delete user["name"];
for(key in user) alert(key, user[key]);