Function domChild

docs/app/js/sanddance-app.js:123210–123218

(el, index, tag, ns)

} // retrieve child element at given index
// create & insert if doesn't exist or if tags do not match
function domChild(el, index, tag, ns) {
    var a = el.childNodes[index], b17;
    if (!a || a.tagName.toLowerCase() !== tag.toLowerCase()) {
        b17 = a || null;
        a = domCreate(el.ownerDocument, tag, ns);
        el.insertBefore(a, b17);
    }
    return a;
} // remove all child elements at or above the given index
function domClear(el, index) {
    var nodes = el.childNodes, curr = nodes.length;
    while(curr > index)el.removeChild(nodes[--curr]);