What is the difference between is and == in Python?
`==` compares values, while `is` compares object identity.
- Equality vs same object
- Use is for None checks
- Interning can confuse beginners
What is the difference between is and == in Python?
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Equality and identity in JavaScript: == vs ===, != vs !==, and object reference equality
Loose equality performs coercion, strict equality compares without coercion, and objects are equal only when they reference the same object.
- Prefer `===` and `!==`
- `==` follows coercion rules
- Object equality is reference-based
Equality and identity in JavaScript: == vs ===, != vs !==, and object reference equality