<div onclick="func_a()">
<div onclick="func_b(event)"></div>
</div>
<script type="text/javascript">
function func_a() {
alert('a');
}
function func_b(e) {
e.stopPropagation();
e.cancelBubble = true; // для IE
alert('b');
}
</script>
add_filter( 'nav_menu_link_attributes', 'filter_function_name_3020', 10, 4 );
function filter_function_name_3020( $atts, $item, $args, $depth ){
$atts['aria-current'] = '';
return $atts;
}<?php wp_footer(); ?>
