php 使用HTML5 defer属性推迟jQuery解析

Posted 2021-05-04

//////////////////
// DEFER JQUERY //
//////////////////

if (!(is_admin())) {

    function defer_parsing($url) {
        if (FALSE === strpos($url, '.js')) return $url;
        if (strpos($url, 'jquery.js')) return $url;
        return "$url' defer onload='";
    }
    
    add_filter( 'clean_url', 'defer_parsing', 11, 1 );
    
}