Question

javascript 作业1、输出1—100之间的所有偶数，要求每行显示10个偶数，偶数与偶数之间以“,”分隔。 2、

Answer 1

var scount1=0;
var scount2=0;
var ssum1=0;
var ssum2=0;
var i =1;
while (i<=100){
if(i%2==0){
scount2 +=1;
ssum2 +=i;
}else{
scount1 +=1;
ssum1 += i;
}
i++;
}

document.write ("奇数的个数是:"+scount1+"<br>");
document.write("所有奇数之和为:"+ssum1+"<br>");
document.write ("偶数的个数是:"+scount2+"<br>");
document.write("所有偶数之和为:"+ssum2+"<br>");

追问

不是这个啊

Answer 2

var start = 1;
var end = 100;
var tag = 0;
for(var i = start; i<=end; i++) {
if(i%2==0){
tag++;
document.write(i);
if(tag==10){
document.write("<br />");
tag = 0;
} else {
document.write(",");
}
}
}