Exercise 19: Compare Two Objects (shallow)
Problem Statement
Function `shallowEqual(obj1, obj2)` banao jo dono objects ko shallow compare kare.
Example: shallowEqual({a: 1, b: 2}, {a: 1, b: 2}) => true
Sample Output:
shallowEqual({a: 1, b: 2}, {a: 1, b: 2}) => true
shallowEqual({a: 1}, {a: 2}) => falseSolution
const shallowEqual = (obj1, obj2) => {
const keys1 = Object.keys(obj1), keys2 = Object.keys(obj2);
if (keys1.length !== keys2.length) return false;
return keys1.every(key => obj1[key] === obj2[key]);
};Explanation
Overall Goal:
- Dono objects ko shallow compare karna.
Real world:
- Equality checks: object comparison.
- State comparison: shallow equality.