//求最大值和最小值
var tmp = [1,12,"-",5
];
var max = tmp[0]=="-"?0:tmp[0
];
var min= tmp[0]=="-"?0:tmp[0
];
for(
var i=1;i<tmp.length;i++
){
if(Number(max)=="-"||Number(tmp[i])=="")
continue;
if(Number(max)<Number(
tmp[i]))
max=
tmp[i];
if(Number(min)>Number(
tmp[i]))
min=
tmp[i];
}
console.log(max);
console.log(min);
//求平均值
var arr1=[11,2,"-",5
];
var getSum=
function(ar){
var arr=
ar
var sum=arr.reduce(
function(prev, curr, idx, arr){
if(curr=="-"||curr=="")
return parseFloat(prev)
return parseFloat(prev) +
parseFlaot(curr);
},0
)
return sum;
}
alert( getSum(arr1)); //11
求和
function sum(arr) {
var s = 0
;
for (
var i=arr.length-1; i>=0; i--
) {
if(isNaN(arr[i])){
s+=0
;
}else{
s +=
arr[i];
}
}
return s;
}
转载于:https://www.cnblogs.com/pengfei25/p/8298602.html
