var allConditions = document.getElementsByClassName("condition-container");

for (let i = 0; i < allConditions.length; i++)
{
    document.getElementById("PropertyPre" + i).onchange = function ()
    {
        setValidation(false, i);
    }
};


function setValidation(firstTime, elementNumber)
{
   console.log("This is number: " + elementNumber);
}