How to Display Scripts and Styles when a Shortcode Exists in WordPress

Using shortcodes to display conditional data is a common approach in WordPress. When the plugin contains many script and style files, we need to include them only when a shortcode is present in a post or page.

Table of Contents

Use has_shortcode()

This is a straightforward approach. has_shortcode( string $content, string $tag ) determines whether the passed content contains the specified shortcode.

If the current page is a post and its content contains our defined shortcode, color_shades, the script will be enqueued with wp_enqueue_script function.

function color_shortcode_scripts() {
    global $post;
    if( get_post_type($post) == 'post' && has_shortcode( $post->post_content, 'color_shades') ) {
        wp_enqueue_script('color-script', plugin_dir_url(__FILE__).'color-script.js'
add_action( 'wp_enqueue_scripts', 'color_shortcode_scripts');

Use class

We use a variable to store a boolean value to determine whether a shortcode exists. When color_shades_render (shortcode handler) is called, the value is set to true. Then we use it as a condition to print styles and scripts.

class ColorShadesShortcode {
     //allow script when the shortcode exists in a post 
    static $hasShortcode;

    static function init() {
        add_shortcode('color_shades', array(__CLASS__, 'color_shades_render'));
        add_action('init', array(__CLASS__, 'register_scripts'));
        add_action('wp_footer', array(__CLASS__, 'print_scripts'));
        add_action('wp_head', array(__CLASS__, 'print_styles'));
    static function color_shades_render($atts) {
        self::$hasShortcode = true;

            'color_name' => 'orange',            
        ), $atts));

        $output = "show list of orange's shades here";
        return $output;
    //register scripts and styles
    static function register_scripts() {
        wp_register_script('script-name', plugins_url('script-name.js', __FILE__), array('jquery'), '1.0', true);
        wp_register_style( 'style-name', plugins_url( 'style-name.css', __FILE__ ), true, '', 'all' );

    //print scripts if shortcode_name exists
    static function print_scripts() {
        if (!self::$hasShortcode)

    //print styles if shortcode_name exists
    static function print_styles() {
        if (!self::$hasShortcode)
        wp_print_styles( 'style-name' );

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