JSFiddle - React, Tailwind, and code Playground

JavaScript

var all_words = [];
function getWord() {
    if (all_words.length === 0) {
        all_words = new Array('one', 'two', 'three', 'four');
    }
    var randIndex = parseInt(Math.random() * all_words.length);
    var chosenWord = all_words.splice(randIndex, 1);
    return chosenWord;
}

for (var i = 0; i < 6; i++)
    alert(getWord());