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A more serious objection is that many structures used in functional programming have associated equational laws, which JavaScript provides a very poor medium to
by catnaroek 10y ago
A more serious objection is that many structures used in functional programming have associated equational laws, which JavaScript provides a very poor medium to formulate - never mind actually prove. The ability to query the physical identity of every object makes the equational theory of JavaScript objects completely trivial: every object is equal to itself (physically in memory) and nothing else.