JSFiddle - React, Tailwind, and code Playground

by Luthando

HTML

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JavaScript

function randomExcludedNumber(numLength, excludeNumber) {
    var randNumber = excludeNumber;

    while(randNumber == excludeNumber)
    {
       randNumber = Math.floor(Math.random() * numLength);
    }

    return randNumber ;
  }
  
 var bunchofnumbers = ['01', 'C02', '03', '04', '05', '06', '07', '08', '09'];
 var selectedIndex = bunchofnumbers.indexOf("04");
 var randomNum = randomExcludedNumber(bunchofnumbers.length, selectedIndex);
 var rand = bunchofnumbers[randomNum];
 alert("Your number is: " + rand) ;