2.     var str='<aaa>\
    3.         <text x="0" y="15" fill="red" transform="rotate(30 20,40)">qqqqqqqq</text>\
    4.         <text x="0" y="15" fill="red" transform="rotate(30 20,40)">aaaaaaaa</text>\
    5.         <text x="0" y="15" fill="red" transform="rotate(30 20,40)">bbbbbbbb</text>\
    6.         </aaa>';
    7.     var parser=new DOMParser();  
    9.     var xmlDoc=parser.parseFromString(str,"text/xml"); 
    11.     var result = document.evaluate("//text", xmlDoc, null, XPathResult.ANY_TYPE, null);
    13.     while (nodes = result.iterateNext()){ //遍历结果
    14.         console.log(nodes.innerHTML);
    15.     }