Method querySelector

src/main/java/org/htmlunit/html/DomNode.java:2105–2112

Returns the first element within the document that matches the specified group of selectors. @param selectors one or more CSS selectors separated by commas @param the node type @return null if no matches are found; otherwise, it returns the first matching element

(final String selectors)

     * @return null if no matches are found; otherwise, it returns the first matching element
     */
    @SuppressWarnings("unchecked")
    public <N extends DomNode> N querySelector(final String selectors) {
        final DomNodeList<DomNode> list = querySelectorAll(selectors);
        if (!list.isEmpty()) {
            return (N) list.get(0);
        }
        return null;
    }

    /**
     * <span style="color:red">INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.</span><br>