My current solution allow non existing values. Search. nice, no need ajax as the list can be there. By default, the user will be given no additional help to complete the field. I suggest you could firstly get the datalist selected value using jquery. We can define this list of countries using datalist tag. — select the value of option, display it in input, and get the corresponding attribute data ID, firstip, lastip — > The test results are as follows: When the second option is selected, console prints out the result: Here we simple let user enter the country name or they can select from the country list box. I.m.learning. All Rights Reserved. The