create a javascript function and show it working that myChoice( items ) This function accepts a list of items as input and creates a function that returns a randomly-chosen item. After choosing a random item, that same item will be always be returned, regardless of the functions input, with one exception. If the first input is the string 'rechoose', then a new random item will be chosen and therafter returned. Examples

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
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create a javascript function and show it working that

myChoice( items )

This function accepts a list of items as input and creates a function that returns a randomly-chosen item. After choosing a random item, that same item will be always be returned, regardless of the functions input, with one exception. If the first input is the string 'rechoose', then a new random item will be chosen and therafter returned.

Examples

  • var a = myChoice( [1, "a", 3, false] );
  • a( 3, 12 ) => 3 // a random value. Your code may differ.
  • a( 51, -2) => 3
  • a( "happy", false ) => 3
  • a( [1,2,3]) => 3
  • a( 'rechoose') => false // a random value. Your code may differ.
  • a( a, a ) => false

 

 

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