A function to estimate the average reading time in minutes for selected content.
Replace "#post-content" with the ID of your content container and adjust the number 250 to your desired WPM.
function readTime() {
var postContent = $('#post-content').text().replace(/\s+/g,' ').trim();
var wordCount = postContent.split(' ').length;
return Math.ceil(wordCount / 250);
}