Efficient way to select a nested child nodes with Jquery -

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मेरे पास यह html संरचना है: 

  & lt; div id = "title" class = "span7" & gt; & Lt; span id = "विवरण" वर्ग = "विस्तार से पुल-दायें" & gt; & Lt; एक वर्ग = "विस्तार दिखाएं" href = "#" & gt; अधिक विवरण & lt; / a & gt; & Lt; / span & gt; & Lt; p & gt; मेरा पाठ उदाहरण & lt; / p & gt; & Lt; / div & gt; & Lt; div वर्ग = "span9 छुपा" शैली = "प्रदर्शन: ब्लॉक;" & gt; & Lt; div वर्ग = "पंक्ति शीर्ष पंक्ति" & gt; & Lt; div class = "span9" & gt; & Lt; div class = "detailInfo" & gt; & Lt; p & gt; इनफ़ॉर्मोज़ीनी एग्गुइंटिस & lt; / p & gt; & Lt; / div & gt; & Lt; / div & gt; & Lt; / div & gt; & Lt; / div & gt;   
 मैं डिप्टी "शीर्षक" पर मेरे पहले अनन्य आईडी से शुरू करते हुए .detail.info div चुनना चाहता हूं।  
 मुझे यह कोड है:  <पूर्व>  $ ("# शीर्षक")। अगले ("span9");   
 कैसे आगे बढ़ने का कोई भी विचार नहीं है ...  
 detailInfo div का चयन करने का सबसे अच्छा तरीका क्या है?   
 < Div class = "post-text" itemprop = "text"> 
 बस  $ ('। DetailInfo')  वर्ग के आधार पर चयन करें।  
 या अधिक पूरी तरह से:  
  $ ("# शीर्षक")। अगले ("। Span9")। ('। DetailInfo' ढूंढें)

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