two files spread and rest oprators and copying objects

Author: codewithghan

copy_of_objects.js

@@ -0,0 +1,22 @@
+// const obj = {
+//     fname:'ghan',
+//     age: 20,
+//     location: 'Noida'
+// };
+
+
+const objDeep = {
+    fname:'ghan',
+    age: 20,
+    location: 'Noida',
+    address: {
+        city:'US'
+    }
+};
+
+// const newObj = { ...obj };  // Shalow copy 
+// const newObj = Object.assign({}, obj);  // Shalow copy 
+const newObj = JSON.parse(JSON.stringify(objDeep)); // deep copy
+newObj.address.city = "UK12";
+console.log(objDeep);
+console.log(newObj);

spread.js

@@ -0,0 +1,54 @@
+const myArr = [10,20,30];
+
+// console.log(...myArr);
+// const myStr = 'John';
+// console.log(...myStr);
+
+// const myObj = {
+//     fname:'john',
+//     lname: 'doe',
+//     age: 30
+// };
+
+// const newObj = {...myObj};
+// newObj.age = 10;
+// console.log(newObj);
+// console.log(myObj);
+
+// Spread example
+
+// const bioArr = ['john', 30, 'US'];
+
+// function getBio(fname, age, country) {
+//     return `my name is: ${fname} and age is: ${age}`;
+// }
+
+// const newbioArr = getBio(...bioArr);
+
+// console.log(newbioArr);
+
+// Rest
+
+
+// function getBio(fname, ...info) {
+//     return info;
+// }
+
+
+// const getbioInfo = getBio('ghan', 30, 'delhi');
+// console.log(getbioInfo);
+
+
+// remove dublicate values from array 
+
+// const arr = [2,3,2,4,3,5,3,6];
+
+// console.log(...new Set(arr));
+
+
+
+
+
+
+
+