DHTMLX Tree Data Generator

JavaScript

var tree,
    treeString,
    item,
    i = 1,
    xml = new XMLSerializer(),
    numNodes = 3000;

tree = document.createElement('tree');
tree.setAttribute('id', 0);

for( ; i < numNodes+1; i++){
    item = document.createElement('item');
    item.setAttribute('id', i);
    item.setAttribute('text', 'item'+i);
    tree.appendChild(item);
}

treeString = xml.serializeToString(tree);
console.log(treeString);