yii2 asset to https://github.com/Choices-js/Choices
The preferred way to install this extension is through composer.
Either run
php composer.phar require --prefer-dist net.egmsystems/yii2-asset-choices "*"
or add
"net.egmsystems/yii2-asset-choices": "*"
to the require section of your composer.json file.
Once the extension is installed, simply use it in your code by add to the view file :
<?= \egmyii2\assets\choicejs\ChoiceJSAsset::register($this); ?>```