JSFiddle - React, Tailwind, and code Playground

JavaScript

var work = [
    "product design",
    "product system design",
    "product social media post x5",
    "product Agent Recruitment system design",
    "product profile system design",
    "product Agent testing design",
    "product customer support",
    "product promotion"
];

var course = [
    "javascript",
    "mandarin",
    "javascript practical-Code Academy",
    "javascript practical-learn Street",
    "mandarin practical-memrise",
    "new stuff with audiobooks"
];

var activity = [
    "listen to podcasts",
    "chat online",
    "Exercise",
    "take a walk",
    "call a friend"
];


var picker1 = Math.floor(Math.random() * 3 + 1);
var picker2 = Math.floor(Math.random() * work.length);
var picker3 = Math.floor(Math.random() * course.length);
var picker4 = Math.floor(Math.random() * activity.length );




var group_pick = function(){

    if(picker1 === 1){
        return "Time to work on ";}

    else if(picker1 === 2){
        return "Time to learn some ";}

    else if (picker1 === 3){
        return "Lets relax and ";}

    else{
        return "error in group_pick";}
};




var item_pick = function() {


    if (picker1 === 1) {
        return work[picker2] ;}

    else if (picker1 === 2) {
        return course [picker3] ;}

    else if (picker1 === 3) {
        return activity[picker4] ;}

    else {
        return "error in item_pick";}

};


var task = group_pick() + item_pick();
document.write( task );