When you want to add <script> tag in header, copy below custom code in your child theme functions.php file or parent theme functions.php file.
if ( ! function_exists( 'hongo_child_header_custom_script' ) ) {
function hongo_child_header_custom_script() {
?>
<script src="https://example.script.js"></script>
<?php
}
}
add_action( 'wp_head', 'hongo_child_header_custom_script' );
When you want to add <script> tag in footer, copy below custom code in your child theme functions.php file or parent theme functions.php file.
if ( ! function_exists( 'hongo_child_footer_custom_script' ) ) {
function hongo_child_footer_custom_script() {
?>
<script src="https://example.script.js"></script>
<?php
}
}
add_action( 'wp_footer', 'hongo_child_footer_custom_script' );
Note : We recommend this code customization with child theme for prevent your customization code when parent theme updates.
When you need to add code in <script> tag, you do not need to write any custom code. For that you just need to use additional JS functionality. before to know more