jQuery/CSS - need help in selection -

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जैसे मार्कअप के साथ: 

 & lt; ul & gt; & Lt; li & gt; & lt; a href = & quot; # & quot; & gt; लिंक 1 & lt; / a & gt; & lt; / li & gt; & Lt; li & gt; & Lt; a href = & quot; # & quot; & gt; लिंक 2 & lt; / a & gt; & LT; ul & gt; & Lt; li & gt; & lt; a href = & quot; # & quot; वर्ग = & quot; सक्रिय & quot; & gt; लिंक 2.1 & lt; / a & gt; & lt; / li & gt; & Lt; li & gt; & lt; a href = & quot; # & quot; & gt; लिंक 2.2 & lt; / a & gt; & lt; / li & gt; & Lt; / ul & gt; & Lt; / li & gt; & Lt; / ul & gt;

मैं एक वर्ग को "सक्रिय" जोड़ना चाहता हूं, लिंक 2 (पंक्ति 4), या लिंक जो कि आंतरिक a.active लिंक हैं मैं jquery या शुद्ध सीएसएस के साथ कैसे कर सकते हैं?

"ऑपरेटर" का प्रयोग कर आप इसे बहुत सरल बना सकते हैं। यह पंक्ति एक सक्रिय लिंक के साथ "ली" युक्त कोई "ली" तत्व पकड़ लेता है। 

  $ ('li: है (li & gt; a.active)')। AddClass ('सक्रिय') ;

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