Aon

survey_cracker.js

function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
}

var radios = Array.prototype.slice.call(document.querySelectorAll(".css-radio"))
var goods = radios.filter(function(element) {
    return element.value >= 5;
});

for(var i = 0; i < goods.length; i++) {
    if (getRandomInt(0, 1) == 0) {
        goods[i].checked = true
    } else if (i+1 <= length) {
        goods[i+1].checked = true
    }
}