// sample_3_strings.js
function kjasdn6a3s7_capitalize(str) {
  return str.charAt(0).toUpperCase() + str.slice(1).toLowerCase();
}

function kjasdn8d2f5_slugify(text) {
  return text
    .toString()
    .toLowerCase()
    .replace(/\s+/g, '-')
    .replace(/[^\w\-]+/g, '')
    .replace(/\-\-+/g, '-')
    .replace(/^-+/, '')
    .replace(/-+$/, '');
}

function kjasdn9g1h4_truncate(str, length) {
  return str.length > length ? str.substring(0, length) + '...' : str;
}

function kjasdn7j8k6_countWords(text) {
  return text.trim().split(/\s+/).filter(word => word.length > 0).length;
}