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<title>逻辑运算符</title>
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con1 = flink.parentNode.tagName;
con2 = fu.childNodes[0].className;
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alert("对,就是这个味!");
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<ul id="ful"><li class="fli">北京</li><li>上海</li><li>香港</li></ul>
<div><a href="#" id="fa">花椒</a><span>大茴</span></div>
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