How to Defer Parsing of JavaScript in htaccess?

Today, We want to share with you defer parsing of javascript htaccess.In this post we will show you
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defer parsing of javascript Examples

Example 1: Defers

<script defer src="customMainScrpt.js" onload="myInit()"><script>

Async

<script async src="customMainScrpt.js" onload="myInit()"><script>

Parse js/css as a PHP file using htaccess

Example 2:

<FilesMatch "\.(js)$">
AddHandler application/x-httpd-php .js
</FilesMatch>

defer parsing of javascript wordpress

Example 3: Defers JavaScript via functions.php File
Plugins & Theme Async/Defers Parsing of JavaScript

// Only for Javascript

function defer_parsing_of_js( $url ) {
    if ( is_user_logged_in() ) return $url; //don't break WP Admin
    if ( FALSE === strpos( $url, '.js' ) ) return $url;
    if ( strpos( $url, 'jquery.js' ) ) return $url;
    return str_replace( ' src', ' defer src', $url );
}
add_filter( 'script_loader_tag', 'defer_parsing_of_js', 10 );

Difference between async and defer

The difference between async and defer centers around when the script is executed.

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