/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

4 votes184 views2 answers
Appending the option element using jquery each function
Javascript jQuery
-1 vote195 views1 answer
Jquery delete a cookie
Javascript jQuery
10 votes193 views4 answers
Jquery fade out
Javascript jQuery
2 votes198 views1 answer
Jquery get origin url
Javascript jQuery
0 vote187 views1 answer
How to add an image using jquery
Javascript jQuery
0 vote192 views1 answer
Jquery dropdownlist from mvc jsonresult list
Javascript jQuery
0 vote241 views1 answer
Create video playlist using jquery
Javascript jQuery
0 vote191 views1 answer
How to get value of button that click on it jquery
Javascript jQuery
0 vote189 views1 answer
Jquery repeater
Javascript jQuery
0 vote199 views1 answer
Jquery copier dans le presse papier
Javascript jQuery