写一段最短的代码,用上js所有关键字
new function() { do break;while(typeof delete this); for(var a;void 0;) continue if (null) with(0) try{ switch(1 in 1 instanceof 1) { case false: default:throw true } }catch(a){}finally{}else return // console.log("去掉注释可以运行到这里")};?