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04_objects.js
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90 lines (66 loc) · 1.78 KB
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//const tinderUser = new Object();
const tinderUser = {}
tinderUser.id = "123abc";
tinderUser.name = "sandy"
tinderUser.isLoggedIn = false
//console.log(tinderUser);
const regularUser = {
email: "some@gmail.com",
fullname: {
userfullname: {
firstname: "sandeep",
lastname: "dhanger"
}
}
}
// console.log(regularUser.fullname.userfullname);
const obj1 = {1: "a", 2: "b"}
const obj2 = {3: "a", 4: "b"}
//const obj3 = { obj1, obj2}
// const obj3 = Object.assign(obj1, obj2,) //join object with using object.assign method
const obj3 = {...obj1, ...obj2} // join object with using spread method
// console.log(obj3);
const users = [
{
id: 1,
email: "s@gmail.com"
},
{
id: 1,
email: "s@gmail.com"
},
{
id: 1,
email: "s@gmail.com"
},
{
id: 1,
email: "s@gmail.com"
},
]
users[1].email
// console.log(tinderUser);
// console.log(Object.keys(tinderUser));
// console.log(Object.values(tinderUser));
// console.log(Object.entries(tinderUser));
// console.log(tinderUser.hasOwnProperty('isLoggedIn'));
// ****************** Destructuring in Objects ***************
const course = {
coursename: "js in hind",
price: "999",
courseInstructor: "sandeep"
}
// course.courseInstructor
const {courseInstructor: instructor} = course // destructure the name
// console.log(courseInsttructor);
console.log(instructor);
// JSON api snytax
// {
// "name": "sandeep",
// "coursename": "js in hinid",
// "price": "free"
// }
[
{},
{},
]