jQuery selectable() function won’t work in wordpress

I always refer to to this blogpost about how to including jQuery code in WordPress. It shows you how to use noConflict within your javascript-code.

var $j = jQuery.noConflict();

    $j(function(){
        // YOUR CODE HERE
    }
}

Also make sure that the jQuery library is included on the frontside of your WordPress installation with the wp_enqueue_script-function. Hope it will work out for you.

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