aaac7fed
 liuqimichale
add
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var getChildren = exports.getChildren = function(elem){
return elem.children;
};
var getParent = exports.getParent = function(elem){
return elem.parent;
};
exports.getSiblings = function(elem){
var parent = getParent(elem);
return parent ? getChildren(parent) : [elem];
};
exports.getAttributeValue = function(elem, name){
return elem.attribs && elem.attribs[name];
};
exports.hasAttrib = function(elem, name){
return !!elem.attribs && hasOwnProperty.call(elem.attribs, name);
};
exports.getName = function(elem){
return elem.name;
};
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