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var assert = require('assert'); // ì¼ë°˜ í•¨ìˆ˜ function counter(){ return ++count; } var count = 0; for(var i=0; i<10; i++){ assert(counter() == i+1); } // closure function ì¹´ìš´í„°ìƒì„±ê¸°(ì´ˆê¸°ê°’){ var íšŸìˆ˜ = ì´ˆê¸°ê°’; // ì´ˆê¸°ê°’ ì„¤ì • return function(){ íšŸìˆ˜ += 1; return íšŸìˆ˜; }; } var ì¹´ìš´í„°1 = ì¹´ìš´í„°ìƒì„±ê¸°(0); assert(typeof ì¹´ìš´í„°1 == 'function'); for(var i=0; i<10; i++){ assert(ì¹´ìš´í„°1()==i+1); } var ì¹´ìš´í„°2 = ì¹´ìš´í„°ìƒì„±ê¸°(100); for(var i=100; i<111; i++){ assert(ì¹´ìš´í„°2() == i+1); }