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Auto Increment Field Name on Add

Posted on 2013-10-24
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Last Modified: 2013-10-28
I have a field that I can dynamically add to my form by pressing "Add Field"

http://jsfiddle.net/t7tN4/2/

How can I make the name of the new field go up in increments on 1 as I continue to add them?
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Question by:Nathan Riley
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4 Comments
 
LVL 58

Assisted Solution

by:Gary
Gary earned 250 total points
ID: 39599139
jsfiddle isn't working

Set a global var - that is a variable outside of any functions and then just increment it each time you add a new element.
e.g.
var mycounter=1;
function name(){
     // your jquery functions adding the element.
     // how you set the name will depend on how you are creating the element
     // and then...
     mycounter++;
}
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LVL 43

Accepted Solution

by:
Chris Stanyon earned 250 total points
ID: 39599260
Here's an alternative way. Rather than naming your inputs textbox1, textbox2, textbox3 etc, I've named them using an array textbox[1]. textbox[2], textbox[3] etc. This allows you to loop through $_POST['textbox'] to grab the values. It sets the array key by counting how many textboxes already exist:

http://jsfiddle.net/ChrisStanyon/8ZYuF/
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LVL 11

Author Comment

by:Nathan Riley
ID: 39599369
Ok thanks, the array is probably the better solution for me.  Since the name changes on all of them and is dynamic what would I use to add a little "remove" text to the right of the input box and remove it on click?

I opened a new question for this:
http://www.experts-exchange.com/Programming/Languages/Scripting/JavaScript/Jquery/Q_28276867.html
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LVL 11

Author Comment

by:Nathan Riley
ID: 39605950
Thanks!
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