Compare JavaScript == and === operators
Overview
This question evaluates understanding of JavaScript equality semantics and type coercion, assessing a candidate's competency in language-specific comparison behavior and recognition of subtle runtime differences.
Schneider Electric
Dec 8, 2025, 6:10 PM
Software Engineer
Technical Screen
Software Engineering Fundamentals
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In JavaScript, what is the difference between the == and === operators?
Explain:
- How each operator compares two values.
-
What type coercion is and how it relates to
==. -
Examples where
==and===produce different results. - Which operator you would recommend using in most cases and why.
Solution
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