1+ /*
2+ class and object or oops hume code repeat se bachta h.
3+ abhi tak hum jo kar rahe the wo procedural tha...
4+ es5 tk js m oops concept alag tarh se implement kiya jata tha.
5+ es6 m class se oops concept implement kiya jata h.
6+ js m es5 ko puri tarah remove nhi kiya gaya h.
7+ es5 m oops concept kaise implement kiya jata tha interview m puchh sakta h.
8+
9+
10+
11+
12+ 3 most imp words to understand
13+
14+ object
15+ class
16+ inheritance
17+
18+
19+ object: things or vastu
20+ ex: vishwjeet, hodacity car.
21+
22+
23+ har object have 2 things.
24+
25+ 1. feature/properties: full name,height, age etc. | name,color,brand
26+ 2. action performed by or performed on it: walk, eat,sleep | drive, repair, fuel filling i.e wo kuchh kam kar sakega ya uspe kam kiya ja sakega.
27+
28+
29+ class: man
30+ property: full name,weight, height etc.
31+ action: walk,eat,sleep
32+
33+
34+
35+ vishwajeet(man)
36+ Harsh(man)
37+ saurabh(man)
38+
39+
40+ i.e class is grouping of object
41+
42+ viswjeet is a object of man class
43+ elon musk is a object of man class
44+ saurabh is a object of man class
45+
46+
47+ duniya m har chij ko class object se define kiya ja sakta hai...
48+
49+
50+ koi v object ek ya ek se jade class ka object ho sakta h..
51+
52+
53+
54+ inheritance means dusre class ka property accuire karna.
55+
56+ i.e software engineer class inherit propery of man.
57+
58+
59+ child: jo dusre class se property accuire karega.
60+ parent: jo dusre class ko property inherit karega.
61+
62+ man: parent class
63+ software engineer: child class
64+ */
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