Archive for 三月, 2008

javascript–左右補0

Add comment 三月 16th, 2008

//呼叫左邊補0函式
padLeft(字串,補0長度)
//呼叫右邊補0函式
padRight(字串,補0長度)

function padLeft(str,lenght){
  if(str.length >= lenght)
   return str;
  else
   return padLeft("0" +str,lenght);
 }
 function padRight(str,lenght){
  if(str.length >= lenght)
   return str;
  else
   return padRight(str+"0",lenght);
 }