The options_permalink_add_js WordPress PHP function adds JavaScript to the page.
Usage
To use the function, simply call it within your theme or plugin:
options_permalink_add_js();
Parameters
This function has no parameters.
More information
See WordPress Developer Resources: options_permalink_add_js
Examples
Add JavaScript to the footer
In this example, we use the options_permalink_add_js function to add JavaScript to the footer of the website.
function my_theme_add_js_to_footer() {
echo '<script>';
options_permalink_add_js();
echo '</script>';
}
add_action('wp_footer', 'my_theme_add_js_to_footer');
Add JavaScript to the header
In this example, we use the options_permalink_add_js function to add JavaScript to the header of the website.
function my_theme_add_js_to_header() {
echo '<script>';
options_permalink_add_js();
echo '</script>';
}
add_action('wp_head', 'my_theme_add_js_to_header');
Add JavaScript to a specific page
In this example, we use the options_permalink_add_js function to add JavaScript only to a specific page with the ID of 42.
function my_theme_add_js_to_specific_page() {
if (is_page(42)) {
echo '<script>';
options_permalink_add_js();
echo '</script>';
}
}
add_action('wp_footer', 'my_theme_add_js_to_specific_page');
Add JavaScript to a custom hook
In this example, we use the options_permalink_add_js function to add JavaScript to a custom hook called ‘my_theme_custom_hook’.
function my_theme_add_js_to_custom_hook() {
echo '<script>';
options_permalink_add_js();
echo '</script>';
}
add_action('my_theme_custom_hook', 'my_theme_add_js_to_custom_hook');
Add JavaScript to a specific post type
In this example, we use the options_permalink_add_js function to add JavaScript only to posts of the custom post type ‘event’.
function my_theme_add_js_to_custom_post_type() {
if (is_singular('event')) {
echo '<script>';
options_permalink_add_js();
echo '</script>';
}
}
add_action('wp_footer', 'my_theme_add_js_to_custom_post_type');