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03.21.2008 at 07:46AM PDT, ID: 23259743
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7.2

How to create dynamic input field from selected option

Asked by dtreadway7 in JavaScript, Dynamic HTML (DHTML)

Tags: ,

I have 3 drop-downs. They all Drill-down each others options. On the last Select menu, I want to select and have an input created. I seem to be having problems getting the parent of the (select) menu so I can append a new DIV with INPUT inside.


Here what I got so far:Start Free Trial 
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 
<html>
<HEAD>
 
<script type="text/javascript">
 
 
var arrItems1 = new Array();
var arrItemsGrp1 = new Array();
 
arrItems1[3] = "Truck";
arrItemsGrp1[3] = 1;
arrItems1[4] = "Train";
arrItemsGrp1[4] = 1;
arrItems1[5] = "Car";
arrItemsGrp1[5] = 1;
 
arrItems1[6] = "Boat";
arrItemsGrp1[6] = 2;
arrItems1[7] = "Submarine";
arrItemsGrp1[7] = 2;
 
arrItems1[0] = "Planes";
arrItemsGrp1[0] = 3;
arrItems1[1] = "Ultralight";
arrItemsGrp1[1] = 3;
arrItems1[2] = "Glider";
arrItemsGrp1[2] = 3;
 
var arrItems2 = new Array();
var arrItemsGrp2 = new Array();
 
arrItems2[21] = "747";
arrItemsGrp2[21] = 0
arrItems2[22] = "Cessna";
arrItemsGrp2[22] = 0
 
arrItems2[31] = "Kolb Flyer";
arrItemsGrp2[31] = 1
arrItems2[34] = "Kitfox";
arrItemsGrp2[34] = 1
 
arrItems2[35] = "Schwietzer Glider";
arrItemsGrp2[35] = 2
 
arrItems2[99] = "Chevy Malibu";
arrItemsGrp2[99] = 5
arrItems2[100] = "Lincoln LS";
arrItemsGrp2[100] = 5
arrItems2[57] = "BMW Z3";
arrItemsGrp2[57] = 5
 
arrItems2[101] = "F-150";
arrItemsGrp2[101] = 3
arrItems2[102] = "Tahoe";
arrItemsGrp2[102] = 3
 
arrItems2[103] = "Freight Train";
arrItemsGrp2[103] = 4
arrItems2[104] = "Passenger Train";
arrItemsGrp2[104] = 4
 
arrItems2[105] = "Oil Tanker";
arrItemsGrp2[105] = 6
arrItems2[106] = "Fishing Boat";
arrItemsGrp2[106] = 6
 
arrItems2[200] = "Los Angelas Class";
arrItemsGrp2[200] = 7
arrItems2[201] = "Kilo Class";
arrItemsGrp2[201] = 7
arrItems2[203] = "Seawolf Class";
arrItemsGrp2[203] = 7
 
function selectChange(control, controlToPopulate, ItemArray, GroupArray) {
  var myEle ;
  var x ;
  // Empty the second drop down box of any choices
  for (var q=controlToPopulate.options.length;q>=0;q--) controlToPopulate.options[q]=null;
  if (control.name == "firstChoice") {
    // Empty the third drop down box of any choices
    for (var q=form.thirdChoice.options.length;q>=0;q--) form.thirdChoice.options[q] = null;
 }
  // ADD Default Choice - in case there are no values
  myEle = document.createElement("option") ;
  myEle.value = 0 ;
  myEle.text = "[SELECT]" ;
  // controlToPopulate.add(myEle) ;
  controlToPopulate.appendChild(myEle)
  // Now loop through the array of individual items
  // Any containing the same child id are added to
  // the second dropdown box
  for ( x = 0 ; x < ItemArray.length  ; x++ ) {
    if ( GroupArray[x] == control.value ) {
      myEle = document.createElement("option") ;
      //myEle.value = x ;
      myEle.setAttribute('value',x);
      // myEle.text = ItemArray[x] ;
      var txt = document.createTextNode(ItemArray[x]);
      myEle.appendChild(txt)
      // controlToPopulate.add(myEle) ;
      controlToPopulate.appendChild(myEle)
    }
  }
}
 
function selectChange(control, controlToPopulate, ItemArray, GroupArray) {
  var myEle ;
  var x ;
  // Empty the second drop down box of any choices
  for (var q=controlToPopulate.options.length;q>=0;q--) controlToPopulate.options[q]=null;
  if (control.name == "firstChoice") {
    // Empty the third drop down box of any choices
    for (var q=form.thirdChoice.options.length;q>=0;q--) form.thirdChoice.options[q] = null;
  }
  // ADD Default Choice - in case there are no values
  myEle=document.createElement("option");
  theText=document.createTextNode("[SELECT]");
  myEle.appendChild(theText);
  myEle.setAttribute("value","0");
  controlToPopulate.appendChild(myEle);
  // Now loop through the array of individual items
  // Any containing the same child id are added to
  // the second dropdown box
  for ( x = 0 ; x < ItemArray.length  ; x++ ) {
    if ( GroupArray[x] == control.value ) {
      myEle = document.createElement("option") ;
      //myEle.value = x ;
      myEle.setAttribute("value",x);
      // myEle.text = ItemArray[x] ;
      var txt = document.createTextNode(ItemArray[x]);
      myEle.appendChild(txt)
      // controlToPopulate.add(myEle) ;
      controlToPopulate.appendChild(myEle)
    }
  }
}
 
 function thisSel( obj ) {
    var sel= obj;
    while ( sel && sel.nodeName != 'SELECT' ) {
      sel = sel.parentNode;
    }
    return sel;
  } 
 
function ShowReg(op) {
  //document.getElementById('Car').style.display='none';
  document.getElementById('Boat').style.display='none';
  document.getElementById('Plane').style.display='none';
 
	 var newSel = thisSel( op, 'SELECT' );
		if ( newSel ) {
	       var newSells = newSel.parentNode;
	       var myNewFields = document.createElement("div");
	       newSells.appendChild(myNewFields)
			}
 
    var myField1 = document.createElement("input");
		myField1.setAttribute('type', 'text');
    myField1.setAttribute('name', "");
    myField1.setAttribute('size', '30');
    myField1.setAttribute('value', "Please Select Edit to Complete"); 
   
	 
  if (op == 1) {
   
		myNewFields.appendChild(myField1);
	
	//	document.getElementById('Car').style.display="block";
  }
  if (op == 2) {
    document.getElementById('Boat').style.display="block";
  }
  if (op == 3) {
    document.getElementById('Plane').style.display="block";
  }
}
// -->
</script>
</HEAD>
 
<!-- STEP TWO: Copy this code into the BODY of your HTML document  -->
 
<BODY>
 
<form name=form>
 
      <select id="firstChoice" name="firstChoice" onchange="selectChange(this, form.secondChoice, arrItems1, arrItemsGrp1);">
        <option value="0" selected>[SELECT]</option>
        <option value="1">Land</option>
        <option value="2">Sea</option>
        <option value="3">Air</option>
      </select>
<br>
      <select id="secondChoice" name="secondChoice" onchange="selectChange(this, form.thirdChoice, arrItems2, arrItemsGrp2);">
      </select>
<br>    
		  <select id="thirdChoice" name="thirdChoice" onChange="ShowReg(this.selectedIndex)">
      </select>
<br>
<div id="Car" style="display:none">
  VIN No. <input type="text" id="VIN" value="">
</div>
<div id="Boat" style="display:none">
  Registration No. <input type="text" id="Breg" value="">
</div>
<div id="Plane" style="display:none">
  Tail No. <input type="text" id="Ptail" value="">
  Model <input type="text" id="Pmodel" value="">
</div>
</form>
 
 
</body>
</html>
[+][-]03.21.2008 at 08:37AM PDT, ID: 21180640

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About this solution

Zones: JavaScript, Dynamic HTML (DHTML)
Tags: Javascript / DHTML, ALL
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Solution Provided By: hielo
Participating Experts: 1
Solution Grade: B
 
 
[+][-]03.21.2008 at 08:38AM PDT, ID: 21180646

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[+][-]03.21.2008 at 11:14AM PDT, ID: 21181901

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[+][-]03.21.2008 at 11:21AM PDT, ID: 21181970

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[+][-]03.21.2008 at 11:29AM PDT, ID: 21182034

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[+][-]03.21.2008 at 11:31AM PDT, ID: 21182055

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[+][-]03.21.2008 at 11:32AM PDT, ID: 21182057

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[+][-]03.21.2008 at 11:33AM PDT, ID: 21182069

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[+][-]03.21.2008 at 11:47AM PDT, ID: 21182171

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