How to change background color select 2 using javascript?

Question

Demo and my code is like this : http://jsfiddle.net/fc1qevem/10/

My javascript code is like this :

var select02 = $('#select02');

$(select02).select2({
    data: [{
        id: 0,
        text: "test01"
    }, {
        id: 1,
        text: "test02"
    }, {
        id: 2,
        text: "test03"
    }, {
        id: 3,
        text: "test04"
    }, {
        id: 4,
        text: "test05"
    }],
     placeholder: "Branch name",
});

I want change the background color of select2 to blue color

I want change the background color using javascript

Whether it can be done?

Thank you

Answer 1

add this in your css

.select2-selection{
  background-color:blue !important;
}

js solution

 $(select02).select2({
    data: [{
        id: 0,
        text: "test01"
    }, {
        id: 1,
        text: "test02"
    }, {
        id: 2,
        text: "test03"
    }, {
        id: 3,
        text: "test04"
    }, {
        id: 4,
        text: "test05"
    }],
     placeholder: "Branch name",
}).data("select2").$container.find(".select2-selection").css('background-color', 'blue');