using while loop to create table rows js
function newNode(node, text, styles) {
node.innerHTML = text;
node.className = styles;
return node;
}
var fragment = document.createDocumentFragment(),
container = document.getElementById("container");
for(var i = 1; i <= 10; i++) {
var tr = document.createElement("tr");
var td = newNode(document.createElement("td"), i, "cell");
tr.appendChild(td);
fragment.appendChild(tr);
}
container.appendChild(fragment);