/Javascript/jQuery/Jquery add option if not exist

Jquery add option if not exist

var optionExists = ($('#columnsAvailable option[value=' + $(this).val() + ']').length > 0);

if(!optionExists)
{
    $('#columnsAvailable').append("<option value='"+$(this).val()+"'>"+$(this).text()+"</option>");
}

Source: stackoverflow.com

Similar codes

0 vote208 views2 answers
Fade in onscroll jquery
Javascript jQuery
0 vote215 views2 answers
Jquery slim min js url
Javascript jQuery
0 vote211 views1 answer
Multidimensional array push in jquery
Javascript jQuery
0 vote211 views2 answers
Jquery get padding of element
Javascript jQuery
1 vote223 views4 answers
Jquery scroll when object appear on screen make animation
Javascript jQuery
21 votes222 views4 answers
Get element by id in Jquery
Javascript jQuery
0 vote199 views1 answer
Jquery cdn cloudflare
Javascript jQuery
2 votes205 views1 answer
Jquery $(...)..each() is not a function
Javascript jQuery
8 votes190 views1 answer
Get all parameters from url in jquery
Javascript jQuery
-1 vote228 views3 answers
Jquery dropdown select
Javascript jQuery