/C#/How can prevent the empty input in jquery

How can prevent the empty input in jquery

$('#form').submit(function() {
    if ($.trim($("#email").val()) === "" || $.trim($("#user_name").val()) === "") {
        alert('you did not fill out one of the fields');
        return false;
    }
});

Source: stackoverflow.com

Similar codes

11 votes276 views2 answers
Unity change tmp text from script
C#Unity
0 vote227 views1 answer
C# handle dbnull value
C#
1 vote191 views2 answers
Words counter c#
C#
1 vote233 views1 answer
C# zeitverzögerung
C#
4 votes225 views2 answers
C# remove word from string
C#
0 vote196 views1 answer
Razor can't refresh pages without restarting project
C#
7 votes260 views2 answers
C# guid from string
C#
29 votes273 views2 answers
C sharp how to read a text file
C#
0 vote283 views1 answer
Razor confirm password validation
C#
0 vote272 views1 answer
How to get total scenes unity
C#Unity