Question

Dynamic HTML Control Modification - multiple instances on one page?

Asked by: mindboom

I've been playing around with the code offered here:

http://javascript.internet.com/forms/adding-html-controls.html?start_comment=10

Right now I have 10 rows that are static, and each row has an "add/delete" button to add more text fields WITHIN the row.

The problem is this:

    * Row 1: Add text field
    * Row 2: Add text field (it now adds TWO text fields)
    * Row 3: Add text field (it adds THREE)
    * Delete functions in a similar manner

So, it's putting the extra text fields where I want them, but I can't separate out each row and have the code treat them separately.

Here's the JS code. Of course, thank you to anyone that can help!

// JScript File
var arrInput = new Array(0);
var arrInputValue = new Array(0);
var number;
 
function addInput(i) {
  number = i
  arrInput.push(arrInput.length);
  arrInputValue.push("");
  display();
}
 
function deleteInput(i) {
  number = i
  if (arrInput.length > 0) { 
     arrInput.pop(); 
     arrInputValue.pop();
  }
  display(); 
}
 
function display() {
  document.getElementById('parah'+number).innerHTML="";
  
  for (intI=0;intI<arrInput.length;intI++) {
    document.getElementById('parah'+number).innerHTML+=createInput(arrInput[intI], arrInputValue[intI]);
  }
}
 
function saveValue(intId,strValue) {
  arrInputValue[intId]=strValue;
}  
 
function createInput(id,value) {
  return id+2 + ". <input type='text' id='name" + number + "-"+ id +"' onChange='javascript:saveValue("+ id +",this.value)' value='"+ value +"' size='30'><br>";
}

                                  
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Asked On
2009-01-18 at 09:51:09ID24062039
Tags

javascript dynamic field create

Topic

JavaScript

Participating Experts
2
Points
125
Comments
3

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Answers

 

by: avnerPosted on 2009-01-19 at 01:19:42ID: 23409110

What a funny code.

Try to work with this :

function addInput(i) {
  var oPara = document.getElementById('parah' + i);
  if (typeof (oPara.arrInput) == "undefined")
  {
    oPara.arrInput = new Array();
    oPara.arrInputValue = new Array();
  }
  oPara.arrInput.push(oPara.arrInput.length);
  oPara.arrInputValue.push("");
  display(i);
}
 
function deleteInput(i) {
  number = i
  if (arrInput.length > 0) {
     arrInput.pop();
     arrInputValue.pop();
  }
  display(i);
}
 
function display(number) {
  var oPara = document.getElementById('parah' + number);
  oPara.innerHTML="";
 
  for (intI=0;intI<oPara.arrInput.length;intI++) {
    oPara.innerHTML+=createInput( oPara.arrInput[intI], oPara.arrInputValue[intI], number);
  }
}
 
function saveValue(intId,strValue) {
  oPara.arrInput.push(arrInput.length);
  arrInputValue[intId]=strValue;
}  
 
function createInput(id,value, number) {
  return id+2 + ". <input type='text' id='name" + number + "-"+ id +"' onChange='javascript:saveValue("+ id +",this.value)' value='"+ value +"' size='30'><br>";
}

 

by: mplungjanPosted on 2011-06-13 at 01:18:02ID: 35957305

This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.

20120131-EE-VQP-002

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