ÀÚ¹Ù½ºÅ©¸³Æ®ÀÇ textaera select()°¡ ¸ð¹ÙÀÏ ¹öÁ¯¿¡¼­´Â ½ÇÇàµÇÁö ¾È½À´Ï´Ù. 
select()ÇÏ´Â ¼ø°£ Å°º¸µå°¡ ¶ß±â ¶§¹®ÀÌÁö¿ä. 

ÀÌ·²¶§ setTimeoutÀ¸·Î ¾à°£ÀÇ Áö¿¬À» Áָ鼭 setSelectionRange(0, 9999) ÇÔ¼ö¸¦ »ç¿ëÇÏ¸é µÇ³×¿ä 

=============================================== 
<textarea id="idText"> 
Hello Apple! 
Hello Android! 
</textarea> 

<script language="javascript" type="text/javascript"> 
var Mobile=""; 
var sUsrAgt=navigator.userAgent; 

if((/iPhone/i.test(sUsrAgt)) || (/iPod/i.test(sUsrAgt))) Mobile="IP"; 
else if((/series60/i.test(sUsrAgt)) || (/symbian/i.test(sUsrAgt))) Mobile="SY"; 
else if(/iPad/i.test(sUsrAgt)) Mobile="IA"; 
else if(/android/i.test(sUsrAgt)) Mobile="AN"; 
else if(/windows ce/i.test(sUsrAgt)) Mobile="WM"; 
else if(/blackberry/i.test(sUsrAgt)) Mobile="BB"; 
else if(/palm/i.test(sUsrAgt)) Mobile="PM"; 
else if(/Kindle/i.test(sUsrAgt)) Mobile="KD"; 

var oTextArea=document.getElementById("idText"); 

function selectMobile() { 
oTextArea.setSelectionRange(0, 9999); 
} 

function selectAll() 
{ 
  if (Mobile) { 
    oTextArea.focus(); 
    setTimeout("selectMobile()",1234); 
  } 
  else { 
    oTextArea.select(); 
  } 
} 

selectAll(); 

</script>