JavaScript: Negates a predicate function

JavaScript fundamental (ES6 Syntax): Exercise-89 with Solution

Write a JavaScript program to negates a predicate function.

Note: Take a predicate function and apply the not operator (!) to it with its arguments.

• Take a predicate function and apply the not operator (!) to it with its arguments.

Sample Solution:

JavaScript Code:

//#Source https://bit.ly/2neWfJ2 
const negate = func => (...args) => !func(...args);
console.log([1, 2, 3, 4, 5, 6].filter(negate(n => n % 2 === 0)));

Sample Output:

[1,3,5]

Flowchart:

Live Demo:

See the Pen javascript-basic-exercise-89-1 by w3resource (@w3resource) on CodePen.

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