What Does "Right Shift" Do in JavaScript? 😳 #coding #shorts #programming #javascript #frontend

Signed Right Shift in JavaScript

❓ Question:
What’s the output of this signed right shift operation?

JavaScript’s bitwise operators are sneakier than you think!
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✅ Explanation:
In JavaScript, Right Shift is the signed right shift operator. It shifts the bits to the right while preserving the sign bit (which indicates positive or negative).

🔍 Step-by-Step Breakdown:
The binary of -8 in 32-bit two's complement is:
11111111 11111111 11111111 11111000

Now we shift the bits to the right by 2 using Right Shift.
Because this is a signed shift, the sign bit (1 for negative) is preserved.

Resulting binary:
11111111 11111111 11111111 11111110

This binary equals -2 in decimal.

🧠 Key Takeaway:
Right Shift keeps the sign (negative stays negative).

This is different from unsigned right shift, which fills with 0s and always gives a positive result.

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