File Content: paypal-admin.js jQuery( function( $ ) { 'use strict'; /** * Object to handle PayPal admin functions. */ var kkart_paypal_admin = { isTestMode: function() { return $( '#kkart_paypal_testmode' ).is( ':checked' ); }, /** * Initialize. */ init: function() { $( document.body ).on( 'change', '#kkart_paypal_testmode', function() { var test_api_username = $( '#kkart_paypal_sandbox_api_username' ).parents( 'tr' ).eq( 0 ), test_api_password = $( '#kkart_paypal_sandbox_api_password' ).parents( 'tr' ).eq( 0 ), test_api_signature = $( '#kkart_paypal_sandbox_api_signature' ).parents( 'tr' ).eq( 0 ), live_api_username = $( '#kkart_paypal_api_username' ).parents( 'tr' ).eq( 0 ), live_api_password = $( '#kkart_paypal_api_password' ).parents( 'tr' ).eq( 0 ), live_api_signature = $( '#kkart_paypal_api_signature' ).parents( 'tr' ).eq( 0 ); if ( $( this ).is( ':checked' ) ) { test_api_username.show(); test_api_password.show(); test_api_signature.show(); live_api_username.hide(); live_api_password.hide(); live_api_signature.hide(); } else { test_api_username.hide(); test_api_password.hide(); test_api_signature.hide(); live_api_username.show(); live_api_password.show(); live_api_signature.show(); } } ); $( '#kkart_paypal_testmode' ).change(); } }; kkart_paypal_admin.init(); }); Submit