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var a = 1;
var b = 8;
a = a ^ b;
b = a ^ b;
a = b ^ a;
alert("a的值为: " + a);alert("b的值为: " + b); //a:8,b:1
201506101245_《javascript不借助第三方交换两个变量值》
原文地址:http://www.cnblogs.com/beesky520/p/4565725.html