如何在jquery中更改字体颜色

Question

i want to change the font color of html(username + ' is already exist. Please try another one'); but i don't know how to change this.

function check_availability(){  

    //get the username  
    var username = $('#username').val();  

    //use ajax to run the check  
    $.post("<?php echo base_url();?>loginFunction/checkUsername", { username: username },  
        function(result){  
            //if the result is 1  
            if(result == 1){  
                //show that the username is available  
                $('#username_availability_result').html(username + ' is Available');  
            }else{  
                //show that the username is NOT available  
                $('#username_availability_result').html(username + ' is already exist. Please try another one');  
            }  
    });

Answer 1

Try with css -

$('#username_availability_result')
.css('color', 'red')
.html(username + ' is already exist. Please try another one');