javascript的简单运算
function Place14a(myform)
{
var str,i;
str = " ";
if(!fnIsIntNum(myform.Place14_Num.value))
myform.Place14_Num.value=1;
for(i=1;i<=myform.Place14_Num.value;i++)
{
str += "姓名:" + i + ":<input name=\"Place14_Num" + i + "\" type=\"text\" id=\"Place14_Num" + i + "\" size=\"12\" >";
If(i%4=1)
str +="<br/>";
}
str += " ";
window.uploadname14.innerHTML = str;
}
If(i%3=1)
str +="<br/>"; 这里我想换成每4个i,就输入一次<br/> 但是我不是很懂,请问该怎么做呢