Do_action( 'wp_head' );

function hook_javascript() {
    ?>
        <script>
            alert('Page is loading...');
        </script>
    <?php
}
add_action('wp_head', 'hook_javascript');

Source: developer.wordpress.org

Do_action( 'wp_head' );

function hook_css() {
    ?>
        <style>
            .wp_head_example {
                background-color : #f1f1f1;
            }
        </style>
    <?php
}
add_action('wp_head', 'hook_css');

Source: developer.wordpress.org

Similar codes

0 vote177 views1 answer
Como ir para outra página em html
Html
4 votes170 views1 answer
How to align photos center html
Html
0 vote156 views1 answer
Asp.net get innerhtml of div
Html
12 votes153 views3 answers
Html page icon
Html
65 votes159 views6 answers
How to add links in html
Html
0 vote184 views1 answer
Code highlighter html
Html
1 vote156 views2 answers
R install multiple packages
Html
0 vote197 views1 answer
Javascri
Html
0 vote180 views1 answer
How to add bg html
Html
1 vote114 views1 answer
Content type http header
Html