jquery ui autocomplete us states

var regions = [
        {value: 'AL',label: 'Alabama'},
        {value: 'AK',label: 'Alaska'},
        {value: 'AZ',label: 'Arizona'},
        {value: 'AR',label: 'Arkansas'},
        {value: 'CA',label: 'California'},
        {value: 'CO',label: 'Colorado'},
        {value: 'CT',label: 'Connecticut'},
        {value: 'DE',label: 'Delaware'},
        {value: 'FL',label: 'Florida'},
        {value: 'GA',label: 'Georgia'},
        {value: 'HI',label: 'Hawaii'},
        {value: 'ID',label: 'Idaho'},
        {value: 'IL',label: 'Illinois'},
        {value: 'IN',label: 'Indiana'},
        {value: 'IA',label: 'Iowa'},
        {value: 'KS',label: 'Kansas'},
        {value: 'KY',label: 'Kentucky'},
        {value: 'LA',label: 'Louisiana'},
        {value: 'ME',label: 'Maine'},
        {value: 'MD',label: 'Maryland'},
        {value: 'MA',label: 'Massachusetts'},
        {value: 'MI',label: 'Michigan'},
        {value: 'MN',label: 'Minnesota'},
        {value: 'MS',label: 'Mississippi'},
        {value: 'MO',label: 'Missouri'},
        {value: 'MT',label: 'Montana'},
        {value: 'NE',label: 'Nebraska'},
        {value: 'NV',label: 'Nevada'},
        {value: 'NH',label: 'New Hampshire'},
        {value: 'NJ',label: 'New Jersey'},
        {value: 'NM',label: 'New Mexico'},
        {value: 'NY',label: 'New York'},
        {value: 'NC',label: 'North Carolina'},
        {value: 'ND',label: 'North Dakota'},
        {value: 'OH',label: 'Ohio'},
        {value: 'OK',label: 'Oklahoma'},
        {value: 'OR',label: 'Oregon'},
        {value: 'PA',label: 'Pennsylvania'},
        {value: 'RI',label: 'Rhode Island'},
        {value: 'SC',label: 'South Carolina'},
        {value: 'SD',label: 'South Dakota'},
        {value: 'TN',label: 'Tennessee'},
        {value: 'TX',label: 'Texas'},
        {value: 'UT',label: 'Utah'},
        {value: 'VT',label: 'Vermont'},
        {value: 'VA',label: 'Virginia'},
        {value: 'WA',label: 'Washington'},
        {value: 'WV',label: 'West Virginia'},
        {value: 'WI',label: 'Wisconsin'},
        {value: 'WY',label: 'Wyoming'},
        {value: 'AS',label: 'American Samoa'},
        {value: 'DC',label: 'District of Columbia'},
        {value: 'FM',label: 'Federated States of Micronesia'},
        {value: 'GU',label: 'Guam'},
        {value: 'MH',label: 'Marshall Islands'},
        {value: 'MP',label: 'Northern Mariana Islands'},
        {value: 'PW',label: 'Palau'},
        {value: 'PR',label: 'Puerto Rico'},
        {value: 'VI',label: 'Virgin Islands'}
        ];
    $("#location_region").autocomplete({
            source: regions
    });