/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 vote159 views1 answer
Classe jquery
Javascript jQuery
0 vote171 views1 answer
Send serialized form data jquery
Javascript jQuery
1 vote178 views3 answers
Jquery if else click function
Javascript jQuery
111 votes363 views6 answers
Foreach jquery
Javascript jQuery
108 votes357 views10 answers
Jquery cdn
Javascript jQuery
1 vote175 views1 answer
Change src of iframe jquery
Javascript jQuery
5 votes175 views3 answers
Jquery disable all input form
Javascript jQuery
58 votes173 views1 answer
JQuery ui embed
Javascript jQuery
0 vote172 views1 answer
How to add jquery.zoom in angular
Javascript jQuery
0 vote180 views1 answer
Jquery get value name uploaded file
Javascript jQuery