const originalPicker = $.fn.bootstrapMaterialDatePicker $.fn.bootstrapMaterialDatePicker = function (...args) { this.each(function() { const newInstance = !$.data(this, 'plugin_bootstrapMaterialDatePicker') originalPicker.apply($(this), args) if (newInstance) { const $template = $('body').find(`> #${$.data(this, 'plugin_bootstrapMaterialDatePicker').name}`) // Add animation $template.addClass('animated fadeIn') // Styling buttons $template.find('.dtp-btn-now,.dtp-btn-clear,.dtp-btn-cancel').addClass('btn-default btn-sm') $template.find('.dtp-btn-ok').addClass('btn-primary btn-sm') } }) return this }