You’ve tagged your question correctly with wp_enqueue_script
but it doesn’t appear in your code so you are probably missing the jQuery library and bootstrap by the looks of it.
Try adding the following:
add_action('wp_enqueue_scripts', 'wp_add_jquery');
function wp_add_jquery () {
wp_register_script( 'my_jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js');
// Add your other scripts here (bootstrap, etc.)
}
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