1.升序
var arr
= [2,5,7,9,6];
arr
.sort(function(a
,b
){
return a
- b
;
})
2.降序
var arr
= [2,5,7,9,6];
arr
.sort(function(a
,b
){
return b
- a
;
})
3.倒序
var arr
= [2,5,7,9,6];
arr
.sort(function(){
return -1;
});
4.乱序
var arr
= [2,5,7,9,6];
arr
.sort(function(a
,b
){
return Math
.random() - 0.5;
})
5.按照想要的顺序排序
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