copy text in the clipboard

new_gist_file.js

 $( document ).on( 'click', '.yith-wcbk-copy-to-clipboard', function ( event ) {
        var target           = $( this ),
            selector_to_copy = target.data( 'selector-to-copy' ),
            obj_to_copy      = $( selector_to_copy );

        if ( obj_to_copy.length > 0 ) {
            var temp = $( "<input>" );
            $( 'body' ).append( temp );

            temp.val( obj_to_copy.html() ).select();
            document.execCommand( "copy" );

            temp.remove();
        }
    } );