分析:
var arr
= [5,4,3,2,1];
for(var i
=0;i
<arr
.length
-1;i
++){
for(var j
=0;j
<arr
.length
-i
;j
++){
if(arr
[j
]>arr
[j
+1]){
var temp
= arr
[j
];
arr
[j
] = arr
[j
+1];
arr
[j
+1] = temp
;
}
}
}
console
.log(arr
)
结果:
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