create a javascript function and show it working that none( list, predicate ) This function accepts a list of elements and a predicate function (i.e. a function of a single input that returns either true or false). The method returns true if none of the elements in the list satisfy the predicate; otherwise the function returns false. Examples none( [ 0, 1, 2, 3 ], (x) => x > 1 ) => false none( [ 1, 2, 3, 4 ], (x) => x < 0 ) => true none( [ 'a', [], 3, false, null ], (x) => typeof x == 'function' ) => true
create a javascript function and show it working that none( list, predicate ) This function accepts a list of elements and a predicate function (i.e. a function of a single input that returns either true or false). The method returns true if none of the elements in the list satisfy the predicate; otherwise the function returns false. Examples none( [ 0, 1, 2, 3 ], (x) => x > 1 ) => false none( [ 1, 2, 3, 4 ], (x) => x < 0 ) => true none( [ 'a', [], 3, false, null ], (x) => typeof x == 'function' ) => true
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
create a javascript function and show it working that
none( list, predicate )
This function accepts a list of elements and a predicate function (i.e. a function of a single input that returns either true or false). The method returns true if none of the elements in the list satisfy the predicate; otherwise the function returns false.
Examples
- none( [ 0, 1, 2, 3 ], (x) => x > 1 ) => false
- none( [ 1, 2, 3, 4 ], (x) => x < 0 ) => true
- none( [ 'a', [], 3, false, null ], (x) => typeof x == 'function' ) => true
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