daniel-w
7/26/2016 - 9:19 PM

Add async attribute to all .js files in functions.php

Add async attribute to all .js files in functions.php

php_js_async.php
content_copyfile_download
/*
 * function to add async to all scripts
 */
function js_async_attr($tag){
    # Add async to all remaining scripts
    return str_replace( ' src', ' async="async" src', $tag );
}
add_filter( 'script_loader_tag', 'js_async_attr', 10 );