Create Dynamic Repeatable Form Elements - jQuery multiInput

Create Dynamic Repeatable Form Elements - jQuery multiInput
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License: MIT
   

multiInput is a jQuery form builder/manipulation plugin which makes it possible to dynamically add and/remove form fields by clicking on Plus and Minus buttons.

The duplicated form elements will be stored in JSON objects, placed in a hidden textarea element.

How to use it:

1. Include Font Awesome (for icons) and the jQuery multiInput plugin's stylesheet in the header of the document.

<link href="/path/to/font-awesome.min.css" rel="stylesheet">
<link href="/path/to/jq.multiinput.min.css" rel="stylesheet">

2. Insert the predefined form data (JSON) into a normal textarea element.

<textarea id="example" name="example">
  [{"tn_firstname":"jquery","tn_lastname":"script"},
  {"tn_firstname":"html5","tn_lastname":"css3"}]
</textarea>

3. Include jQuery JavaScript library and the jQuery multiInput plugin's JavaScript library at the bottom of the document.

<script src="/path/to/jquery.min.js"></script>
<script src="/path/to/jq.multiinput.js"></script>

4. Attach the plugin to the textarea element to generate an HTML form.

$('#example').multiInput({

  // true: generate an HTML form from JSON
  // default: false
  json: true

});

5. Define the form fields to be duplicated.

$('#example').multiInput({

  input: $('<div class="row inputElement">\n' +
        '<div class="multiinput-title col-xs-12">Teilnehmer <span class="number">1</span></div>\n' +
        '<div class="form-group col-xs-6">\n' +
        '<input class="form-control" name="tn_firstname" placeholder="Vorname" type="text">\n' +
        '</div>\n' +
        '<div class="form-group col-xs-6">\n' +
        '<input class="form-control" name="tn_lastname" placeholder="Nachname" type="text">\n' +
        '</div>\n' +
        '</div>\n'),

});

6. Limit the number of duplicate form fields. Default: 3.

$('#example').multiInput({

  limit: 10

});

7. More configuration options.

$('#example').multiInput({

  clearInputs: 1,
  separator: '\n',
  inputSeparator: '||',
  trimSeparator: false,
  i18n: {
    limitMessage: 'Limit reached',
    addText: 'Add',
    removeText: 'Remove'
  }

});

8. Callback functions which will be fired when a form field is added or removed.

$('#example').multiInput({

  onElementAdd: function (el, plugin) {
    console.log(plugin.elementCount);
  },
  
  onElementRemove: function (el, plugin) {
    console.log(plugin.elementCount);
  }

});

This awesome jQuery plugin is developed by Jako. For more Advanced Usages, please check the demo page or visit the official website.