js 텍스트 상자 커서에 문자를 추가하는 방법 소개

 
  
 
  <br>function Button4_onclick(obj) { 
  <br>obj.focus(); 
  <br>var rng=document.selection.createRange(); 
  <br>rng.setEndPoint("StartToStart",obj.createTextRange()); 
  <br>var eng=document.selection.createRange(); 
  <br>eng.setEndPoint("EndToEnd",obj.createTextRange()); 
  <br>var kone = document.getElementByIdx("Text1"); 
  <br>kone.value=rng.text + "    " + eng.text; 
  <br>} 
  <br> 
  
 
  
value="button" onclick="return Button4_onclick(Text1)" /> 
  
 
 

 
  
Inherits="SJLERP.WebForm1" %> 
  
 
  
 
  
 
  <br>function setCaret(textObj) { 
  <br>if (textObj.createTextRange) { 
  <br>textObj.caretPos = document.selection.createRange().duplicate(); 
  <br>} 
  <br>} 
  <br>function insertAtCaret(textObj, textFeildValue) { 
  <br>if (document.all) { 
  <br>if (textObj.createTextRange && textObj.caretPos) { 
  <br>var caretPos = textObj.caretPos; 
  <br>caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? textFeildValue + ' ' : textFeildValue; 
  <br>} else { 
  <br>textObj.value = textFeildValue; 
  <br>} 
  <br>} else { 
  <br>if (textObj.setSelectionRange) { 
  <br>var rangeStart = textObj.selectionStart; 
  <br>var rangeEnd = textObj.selectionEnd; 
  <br>var tempStr1 = textObj.value.substring(0, rangeStart); 
  <br>var tempStr2 = textObj.value.substring(rangeEnd); 
  <br>textObj.value = tempStr1 + textFeildValue + tempStr2; 
  <br>} else { 
  <br>alert("This version of Mozilla based browser does not support setSelectionRange"); 
  <br>} 
  <br>} 
  <br>} 
  <br> 
  
 
  
 
  
onselect="setCaret(this);" 
  <br/>onclick="setCaret(this);" 
  <br/>onkeyup="setCaret(this);" >      Forget Never       asp.net  
  


 
  
 
  

 
  
onclick="insertAtCaret(this.form.tarea,this.form.textfield.value);"/>