JSFiddle - React, Tailwind, and code Playground

JavaScript

$.ajax({
        url: '/echo',
        type: 'get',
        success: function(){
            console.log('ajax.success');
        },
        error: function(xhr, status) {
            // check if xhr.status is defined in $.ajax.statusCode
            // if true, return false to stop this function
            if(typeof this.statusCode[xhr.status] != 'undefined'){
            	 return false;
            }
            // else continue
            console.log('ajax.error');
        },
        statusCode: {
                200: function(response) {
                    console.log('ajax.statusCode: 200');
                },
                404: function(response) {
                    console.log('ajax.statusCode: 404');
                },
                500: function(response) {
                    console.log('ajax.statusCode: 500');
                }
            }           
    })