how to call jQuery in admin as well as in homepage

Question

I have this jquery code inside my wordpress admin page that checks if the input value is empty.

$j(function(){
$j('form').submit(function(){

     var link = $j('#input').val();
    if(link == ''){
         alert('hi there');
    }

});

});

Now if the form is empty it will alert ' hi there'.

the plugin works fine but the alert does not show on the main page. Only in the admin section.

what would be the problem?

here is how I am calling jquery.

function test(){
wp_enqueue_script('jquery');
wp_enqueue_script('myscript', plugin_dir_url(__FILE__). 'js/test.js');


}
add_action('wp_enqueue_scripts','test');
add_action('admin_head','test');

I would like that if the value of input is empty, the alert show also in the wordpress homepage and not only in the admin page.

Answer 1

function test(){
    wp_enqueue_script('myscript', plugin_dir_url(__FILE__). 'js/test.js',array('jquery'));
}
add_action('admin_print_scripts','test');
add_action('wp_head','test');

Answer 2

I believe the problem is that you are enquequeing jquery.

You don't need to do that, as WordPress does it by default. Just remove

wp_enqueue_script('jquery');

and everything should be fine.