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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Objects</title>
</head>
<body>
<script>
/* const product={
name: 'socks',
price: 1090
};
console.log(typeof product);
console.log(product.name);
console.log(product.price);
product.name = 'cotton socks';
console.log(product);
console.log(product.name);
product.newProperty = true;
console.log(product);
delete product.newProperty;
console.log(product); */
const product2 = {
name: 'shirt',
['delivery-time']: '1 day',
rating : {
stars: 4.5,
count: 87
},
fun : function function1() { // function stored as a property-value pair
console.log('Function inside object')
}
};
console.log(product2.name);
console.log(product2['name']);
console.log(product2['delivery-time']);
console.log(product2.rating)
console.log(product2.rating.count)
product2.fun(); // runs the function associated with that property.
console.log(product2.fun());
console.log() //is actually a function 'log' insidd the object 'console' which is made by JS.
console.log(typeof console.log); //function
// function inside a object is called as a method
console.log(JSON.stringify(product2));
const jsonString = JSON.stringify(product2);
console.log(JSON.parse(jsonString));
console.log('hello'.length);
console.log('hello'.toUpperCase());
const object1 = {
message: 'hello'
};
const object2 = object1;
object1.message = 'Good Job!';
console.log(object1);
console.log(object2);
const object3 = {
message:'Good Job!'
};
console.log(object3===object1);// as obj3 has a different reference and different memory space. when we compare two variables which have objects, we are comparing their references and not the values inside them.
console.log(object2 === object1); // as these both have the same reference.
const object4 = {
message:'Good Job!',
price: 799
};
// const message = object4.message;
const { message, price } = object4; // takes the property 'message. from the object and stores it in the variable const message.'
console.log(message);
console.log(price);
const object5 = {
// message : message // here we are eqauting the value of variable 'message'i.e 'Good Job!' into the property of the object
message, // basically does the same thing as message : message
// also called as the shorthand property.
// method: function function1() {
// console.log('method');
method() {
console.log('method') // using the shorthand method to create a method inside an object
}
}
console.log(object5);
object5.method();
const product5 = {
name: 'basketball',
price: 2095
}
console.log(product5);
console.log(product5.price + 500);
product5['delivery time','3 days'] ;
console.log(product5);
product5.deliverytime = '3 days';
console.log(product5);
product5.material = 'Rubber';
console.log(product5);
product5.price += 500;
console.log(product5);
const item1 = {
name: 'Dart Board',
price: '900'
};
const item2 = {
name: 'Dart Board',
price: '900'
};
function comparePrice(x,y){
let higherValue=0;
if (x>y){
higherValue = x;
} else if (y>x) {
higherValue = y;
} else {
console.log("Error in the parameters");
}
return higherValue;
}
console.log(comparePrice(item1.price,item2.price));
const testsentence = 'Good Morning';
console.log(testsentence.toLowerCase());
// function isSameProduct(p1,p2){
// let same = true;
// if (p2===p1){
// same = true;
// } else if (p2!=p1){
// same = false;
// } else {
// console.log('error in parameters');
// }
// return same;
// }
function isSameProduct (p1,p2) {
if ( p1.name === p2.name && p1.price===p2.price){
return true;
}else {
return false;
}
}
// function isSameProduct(p1, p2) {
// return p1 === p2;
// }
console.log(isSameProduct(item1,item2));
console.log('hello'.repeat(4));
const shubhu ={
hobbies : 'loving amu',
profession: 'artist',
price: 'invaluable'
}
const amu ={
hobbies : 'loving shubhu',
profession: 'artist',
price: 'invaluable'
}
function checkParameters (l1,l2) {
if (l1.profession === l2.profession && l1.price === l2.price){
return true;
} else{
return false;
}
}
console.log(checkParameters(shubhu,amu));
</script>
</body>
</html>