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var value1 = 0, value2 = 0, value3 = 0;for ( var i = 1; i <= 3; i++) { ???var i2 = i; ???(function() { ???????var i3 = i; ???????setTimeout(function() { ???????????value1 += i; ???????????value2 += i2; ???????????value3 += i3; ???????}, 1); ???})();}setTimeout(function() { ???console.log(value1, value2, value3);}, 100);
链接：https://cnodejs.org/topic/55145859e26684ed7ff21bd3js 题目
原文地址：http://www.cnblogs.com/aiyr/p/7821037.html