群中的题目,不过这样大众脸的题想必大家都见过,就看能玩出什么新花招:
//by ppchen var a = 10, b = 2; a = a + b; b = a - b; a = a - b;
//by Mr.司马 var a = 10000,b=245 a = a^b; b = b^a; a = a ^b;
//by cloudgamer var a = 33,b=44 a=[a,b] b=a[0] a=a[1]
//by Mr.司马 var a = 23,b=454; a = {a:b,b:a}; b = a.b; a = a.a;
评:1、2种解法是普遍解,只能交换数字,而3、4种则适用性更广。如果有什么好的答案也欢迎到群里交流。