Edit file File name : responsive-switchers.js Content : jQuery( document ).ready( function ( $ ) { 'use strict'; $.responsiveSwitchers = { 'init': function () { this.manageSwitchers(); this.manageWPDevices(); }, 'manageSwitchers': function () { // Responsive switchers jQuery( '.customize-control .responsive-switchers button' ).on( 'click', function( event ) { // Set up variables var $self = $( this ), devices = $( '.responsive-switchers' ), device = $( event.currentTarget ).data( 'device' ), control = $( '.customize-control .has-media-queries' ), body = $( '.wp-full-overlay' ), footerDevices = $( '.wp-full-overlay-footer .devices' ); // Button class devices.find( 'button' ).removeClass( 'active' ); devices.find( 'button.preview-' + device ).addClass( 'active' ); // Control class control.find( '.control-wrap' ).removeClass( 'active' ); control.find( '.control-wrap.' + device ).addClass( 'active' ); // Wrapper class body.removeClass( 'preview-desktop preview-tablet preview-mobile' ).addClass( 'preview-' + device ); // Panel footer buttons footerDevices.find( 'button' ).removeClass( 'active' ).attr( 'aria-pressed', 'false' ); footerDevices.find( 'button.preview-' + device ).addClass( 'active' ).attr( 'aria-pressed', 'true' ); // Open switchers if ( $self.hasClass( 'preview-desktop' ) ) { devices.toggleClass( 'responsive-switchers-open' ); } } ); }, 'manageWPDevices': function () { // If panel footer buttons clicked jQuery( '#customize-footer-actions .devices button' ).on( 'click', function( event ) { event.preventDefault(); var device = jQuery( this ).data( 'device' ); var queries = jQuery( '.responsive-switchers' ); if( device !== 'desktop' ){ queries.addClass( 'responsive-switchers-open' ); } else { queries.removeClass( 'responsive-switchers-open' ); } queries.find( 'button' ).removeClass( 'active' ); queries.find( 'button.preview-' + device ).addClass( 'active' ); var control = jQuery( '.range-slider.has-media-queries' ); control.find( '.desktop-range' ).removeClass( 'active' ); control.find( '.tablet-range' ).removeClass( 'active' ); control.find( '.mobile-range' ).removeClass( 'active' ); control.find( '.' + device + '-range' ).addClass( 'active' ); // Control class control.find( '.control-wrap' ).removeClass( 'active' ); control.find( '.control-wrap.' + device ).addClass( 'active' ); } ); } }; $.responsiveSwitchers.init(); } ); Save