var parent = document.querySelectorAll('.d-catalog-product');
for (let x of parent) {
if(x.querySelector('.d-catalog-product-warning-text') !== null) {
console.log("True");
}
else {
console.log("False");
// Create an element:
var newNode = document.createElement("div");
newNode.classList.add('d-catalog-product-warning-text');
// Create a text node:
newNode.innerHTML = "Ready to ship";
// Insert before existing child:
const list = x.getElementsByClassName("d-catalog-product-title-container");
list[0].insertAdjacentElement("afterend",newNode);
}
}
<% console.log(products) %>
<% console.log(cart) %>