options_reading_add_js() │ WP 3.5.0

Display JavaScript on the page.

No Hooks.

Returns

null. Nothing (null).

Usage

options_reading_add_js();

Changelog

Since 3.5.0 Introduced.

options_reading_add_js() code WP 6.8.3

wp-admin/includes/options.php 
<?php
function options_reading_add_js() {
	?>
<script type="text/javascript">
	jQuery( function($) {
		var section = $('#front-static-pages'),
			staticPage = section.find('input:radio[value="page"]'),
			selects = section.find('select'),
			check_disabled = function(){
				selects.prop( 'disabled', ! staticPage.prop('checked') );
			};
		check_disabled();
		section.find( 'input:radio' ).on( 'change', check_disabled );
	} );
</script>
	<?php
}