/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

86 votes167 views6 answers
Onclick Event jquery
Javascript jQuery
2 votes163 views3 answers
Jquery style display
Javascript jQuery
2 votes195 views2 answers
How to give a label padding through jquery
Javascript jQuery
0 vote169 views1 answer
Jquery click hold down
Javascript jQuery
0 vote179 views1 answer
Jquery slider value
Javascript jQuery
-1 vote177 views1 answer
Jquery view image in codeigniter
Javascript jQuery
4 votes178 views2 answers
Inner html jquery
Javascript jQuery
0 vote218 views2 answers
Jquery selector parent on hover
Javascript jQuery
22 votes193 views2 answers
Animate scroll to element Jquery
Javascript jQuery
20 votes193 views6 answers
Jquery get element id
Javascript jQuery