object - Javascript constructor overriding -


यह फ़ंक्शन का नमूना: 

  फ़ंक्शन उपयोगकर्ता (नाम) {this.options। नाम = नाम; }; User.prototype.options = {name: 'Default'}; Var foo = नया उपयोगकर्ता ('foo'); Var बार = नया उपयोगकर्ता ('बार'); Console.log (foo.options.name); // 'bar' console.log (bar.options.name); // 'बार'   
 सवाल है, कैसे 'फू' और 'बार' प्राप्त करें? धन्यवाद   
 
 
 जब आप किसी निर्माता के प्रोटोटाइप में कुछ भी जोड़ते हैं, तो यह सभी उदाहरणों से साझा किया जाएगा। यह कार्यों के लिए सबसे अच्छी बात है, लेकिन डेटा के लिए नहीं हो सकता है। इसलिए, आप  विकल्प  ऑब्जेक्ट्स को कन्स्ट्रक्टर में स्वयं बनाना चाहते हैं, जैसे कि  
  फ़ंक्शन उपयोगकर्ता (नाम) {this.options = {name: name || "चूक" }; }   
 जब आप ऐसा करते हैं, जब भी कोई  उपयोगकर्ता  बनाया जाता है, तो प्रत्येक ऑब्जेक्ट को अपना  options  ऑब्जेक्ट मिल जाएगा इसलिए, एक ऑब्जेक्ट के साथ  options  को बदलने से किसी भी ऑब्जेक्ट के  options  को प्रभावित नहीं होगा।

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