實(shí)現(xiàn)函數(shù):
function ischarsinbag (s, bag)
{
var i,c;
for (i = 0; i < s.length; i++)
{
c = s.charat(i);//字符串s中的字符
if (bag.indexof(c) > -1)
return c;
}
return "";
}
檢查函數(shù):
function ischinese(s)
{
var errorchar;
var badchar = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789><,[]{}?/+=|\'"":;~!#$%()`";
errorchar = ischarsinbag( s, badchar)
if (errorchar != "" )
{
report=report+"請重新輸入中文 ";
return false;
}

return true;
}
就這么簡單:)其實(shí)還輸入日語,暈