Make years of experience dynamic

about.md

@@ -47,12 +47,20 @@ conference for professionals.
  <li class="c-nav-secondary__item"><a href="#section:interviews" class="c-nav-secondary__link">Interviews</a></li>
 </ul>
 
-With over 15 years of professional experience, and a decade working as an
-independent consultant, I have been trusted by the likes of the <b>United
-Nations</b>, <b>Google</b>, the <b>BBC</b>, <b>General Electric</b>, and [many
-more](/#section:clients). Through combinations of workshops, training, audits,
-development, and consultancy, I have helped my clients to build and scale
-resilient, performant front-ends for a variety of applications.
+With <span class="js-date">very many</span> years of professional experience,
+and over a decade working as an independent consultant, I have been trusted by
+the likes of the <b>United Nations</b>, <b>Google</b>, the <b>BBC</b>,
+<b>General Electric</b>, and [many more](/#section:clients). Through
+combinations of workshops, training, audits, development, and consultancy,
+I have helped my clients to build and scale resilient, performant front-ends for
+a variety of applications.
+
+<script>
+ const currentYear = new Date().getFullYear();
+ const yearsOfExperience = currentYear - 2008;
+
+ document.querySelector('.js-date').textContent = yearsOfExperience;
+</script>
 
 <blockquote class="pull-quote pull-quote--context-alt" id="quote:tim-kadlec">
  <p>There is a short list of people I whole-heartedly recommend for detailed