javascript - cannot recall original 'x' variable of function object? -


यदि कोई वस्तु है, उदा। यह: 

  फ़ंक्शन सर्कल (a, y, r)   
 चर  a  को बाद में फ़ॉर्म में कहा गया है:  
  सर्किल (var1 + var2 ++, y, r);   
 या।  
  सर्किल (var1 + var2, y, r); xInc = 1; var2 + = xInc;   
 सशर्त के लिए मूल 'ए' चर को याद करने का कोई तरीका है? पहले से ही वस्तु पैरामीटर की सीधे कॉलिंग की कोशिश की है जैसे:  
  यदि (सर्कल.एक्सए> 40) {xInc = -xInc};   
 जब तक यह रचनात्मक है, तब तक मेरी वर्तमान समझ को टुकड़ों तक खींचने में संकोच न करें;]   
 
 
 जब आप फ़ंक्शन कॉल करते हैं, तो आप इसे एक अभिव्यक्ति पास करते हैं।  
 अभिव्यक्ति के मूल्यांकन का परिणाम उस चर में संग्रहीत किया जाएगा जो उस फ़ंक्शन पर स्थानीय होता है। <  
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     एक .? फ़ंक्शन के बाहर उपलब्ध नहीं होगा।   

     

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