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This website version is not maintained anymore

Up to date documentation is available in Symfony 3.x website (see the dropdown menu above).

Try this plugin with another jQuery version

Enter a jQuery URL in the field below to include it instead of the current version.

You can find jQuery core urls at

Value : a

Value : b

Value : c

Code used:

    <script type="text/javascript">
        $('.form-collection').collection({'allow_duplicate': true});