Dirty.js:对 js 内置方法做有问题的事情

你不应该，但是... 一切都会好的 npm install dirtyjs require ( "dirty" ) [ 1 , 2 , 2 , 3 ] . uniq ( ) //[1,2,3] 或在浏览器中： < script src = "https://rawgit.com/spencermountain/Dirty.js/master/build/dirty.min.js" > < / script > < script > [ 1 , 2 , 3 ] . sum ( ) // 6 < / script> 价值可疑的淫秽方法 var arr = [ 1 , 2 , 2 , 3 ] arr . topk ( ) //[{"value":"2","count":2},{"value":"1","count":1},{"value":"3","count"