Functional Programming -- Eloquent JavaScript

Functional Programming -- Eloquent JavaScript

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日期:2025-10-06
Another useful type of higher-order function modifies the function value it is given: function negate (func) { return function (x) { return! func (x); }; } var isNotNaN = negate (isNaN); show (isNotNaN (NaN)); The function returned by negate feeds the arg...看更多