web-base--/tmp/tmp2.js

function getRandomInt(min, max) {
    min = Math.ceil(min);
    max = Math.floor(max);
    return Math.floor(Math.random() * (max - min) + min); //The maximum is exclusive and the minimum is inclusive
}
function getOneFromArray(arr) {
    return arr[getRandomInt(0, arr.length)];
}
arr = ["h","j","L"]
for (let i = 0; i < 10; i++) {
    console.log(getOneFromArray(arr));

}