案例内资源下载:https://www.makeapie.cn/资源地址
var arr1=[1,2,3,4,5,6,7,8,9,10,11,12]
var arr2=[12,11,10,9,8,7,6,5,4,3,2,1]
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运行版本:^5.1.2 Tips:如不显示可切换版本试试
Console调试
 Console调试