js 代码优化点滴记录

 
var caseContent = '';//条件判断后处理内容 
var caseValue = 5 ;//条件判断值 
switch(caseValue){ 
case 0: 
caseContent = "鞋子"; 
break; 
case 1: 
caseContent = "裤子"; 
break; 
case 2: 
caseContent = "外套"; 
break; 
... ... 
case 5: 
caseContent = "帽子"; 
break; 
default : 
caseContent = "随便"; 
break; 
} 

 
var caseContent = '';//条件判断后处理内容 
var caseValue = 5 ;//条件判断值 
var caseContentArr = ["鞋子","裤子","外套"... ...,"帽子"]; 
caseContent = caseContentArr[caseValue] ? caseContentArr[caseValue]:"随便";