Function isXPath

Pagetual/pagetual.user.js:4575–4580

(xpath)

    }

    function isXPath(xpath) {
        if (!xpath) {
          return false;
        }
        return /^\(*(descendant::|\.\/|\/|id\()/.test(xpath);
    }

    function getAllElements(sel, doc, contextNode) {
        try {