Reddit Robin auto grow script

// ==UserScript==
// @name         Robin Autovoter
// @namespace    http://ayra.ch
// @version      0.2
// @description  Autovotes via text on /r/robin
// @author       /u/AyrA_ch
// @match        https://www.reddit.com/robin*
// @grant        none
// ==/UserScript==
/* jshint -W097 */
'use strict';

function sendMessage(message){
    $("#robinSendMessage > input[type='text']").val(message);
    $("#robinSendMessage > input[type='submit']").click();
}

function rnd(l,h)
{
    var i=(Math.random()*(h-l)+l)|0;
    console.debug("rnd",i);
    return i;
}

var PropagandaText=decodeURIComponent(
    "%E0%BC%BC%20%E3%81%A4%20%E2%97%95_%E2%97%95%20%E0%BC%"+
    "BD%E3%81%A4%F0%9F%8E%A9%F0%9F%8E%A9%F0%9F%8E%A9%20PRA"+
    "ISE%20FRANK%2C%20BLESSED%20ARE%20HATS%20%F0%9F%8E%A9%"+
    "F0%9F%8E%A9%F0%9F%8E%A9%E0%BC%BC%20%E3%81%A4%20%E2%97"+
    "%95_%E2%97%95%20%E0%BC%BD%E3%81%A4 - Better autovoting: https://redd.it/4cz28d");

//wait 5 seconds before initializing
setTimeout(function(){
    var txtBox=$("#robinSendMessage > input[type='text']");
    txtBox.on("keyup",function(){
        if(txtBox.val()=="/frank")
        {
            txtBox.val(PropagandaText);
        }
    });
    sendMessage("/vote grow");
    sendMessage(PropagandaText);
    //reaload after some time (5 Minutes)
    setTimeout(function(){
        window.location.reload();
    }, rnd(200,400)*1000);
    console.debug("Initialized voter");
}, 5*1000);