insert javascript in yii2 layout file -


i want insert javascript this link on navigation bar, here code in layout file.

$useritems = [];              if (yii::$app->user->isguest) {                  $useritems[] = [                     'label' => 'how works?',                     'items' => [                         ['label' => 'video', 'url' => ['/site/howto']], //i want insert javascript here                         ['label' => 'slide', 'url' => ['/site/index']],                     ],                 ];                 $useritems[] = [                     'label' => 'support',                     'items' => [                         ['label' => 'faq', 'url' => ['/site/index']],                         ['label' => 'live chat', 'url' => ['/site/index']],                     ],                 ];                 $useritems[] = [                     'label' => 'app store', 'url' => ['/site/index']                 ];             } else {                 $useritems = menuhelper::getassignedmenu(yii::$app->user->id);             }             echo nav::widget([                 'options' => ['class' => 'navbar-nav navbar-left'],                 'items' => $useritems,             ]);

where should put code? can't find place put in /site/howto link

try this:

$useritems[] = [                     'label' => 'how works?',                     'items' => [                         ['label' => 'video',                           'options' => [                             'onclick' => 'myfunction();', // give javascript function name                             ],                           'url' => ['/site/howto']],                          ['label' => 'slide', 'url' => ['/site/index']],                     ],                 ];

implement function in javascript want

2nd way : 

$useritems[] = [                     'label' => 'how works?',                     'items' => [                         ['label' => 'video',                           'options' => [                             'class' => 'test', // give class name here                             ],                           'url' => ['/site/howto']],                          ['label' => 'slide', 'url' => ['/site/index']],                     ],                 ];

in javascript :

$('.test').on('click', function(event){     // code });

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