Function getChildByTagName

extension-src/dataTool/gexf.ts:193–209

(parent, tagName)

}

function getChildByTagName(parent, tagName) {
    let node = parent.firstChild;

    while (node) {
        if (
            node.nodeType !== 1
            || node.nodeName.toLowerCase() !== tagName.toLowerCase()
        ) {
            node = node.nextSibling;
        }
        else {
            return node;
        }
    }

    return null;
}

function getChildrenByTagName(parent, tagName) {
    let node = parent.firstChild;