var lowCost = document.querySelectorAll(«#collection1247 .collection-item»),
lowCostValue = 9999999,
lowCostItem;
for(var i = 0; i < lowCost.length; i++){
lowCostValue = 9999999;
lowCostItem = lowCost[i].querySelectorAll("a[data-cost]");
for(var x = 0; x < lowCostItem.length; x++){
var cost = lowCostItem[x].getAttribute("data-cost");
if(parseInt(cost,10) < lowCostValue){
lowCostValue = parseInt(cost,10);
}
}
if(lowCostValue==9999999){
lowCost[i].querySelector(".collection-info span").parentNode.classList.add("hidden");
}
lowCost[i].querySelector(".collection-info span").innerText = lowCostValue;
}