wanterFun = (times)=>{
//時間:百分比
let warterMap = {
6:8,
8:22,
10:34,
12:57,
14:66,
16:85,
18:90,
20:95,
22:100,
}
if(times<6){
return 0;
}else{
return waterMap[Math.floor(tiems/2)*2]
}
}io
let {keys,vlaues,entries} = Obect;let obj = {a:1,b:2,c:3}for(let keys in obj){ console.log(keys); //a,b}for(let values in obj){ console.log(values);}for(let entries in obj) { console.log(entries);}const water = (option,val,defaultText = "") =>{ let lists = Object.entries(option).sort((a,b)=>paseInt(b[0])-paseInt(a[0])); for(let i=0;i<lists.length;i++){ const [value,text] = lists[i] if(val < value) { return defaultText = text; }else{ break; } } return defalutText }const water = (value)=>{ let option = { 50:'差', 70:'良', 80:'中' } return water(option,value,"優")}