JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" class="lnkToggle"><h1>BMR Chart +</h1></a>
<div class="collapse" style="display: none;">
  <img src="http://www.labwise.in/devel/media/bmr.jpg" width="100%">
</div>
    
<a href="#" class="lnkToggle"><h1>BMI Chart +</h1></a>
<div class="collapse" style="display: none;">
  <img src="http://www.labwise.in/devel/media/BMI_Chart.png" width="100%">
</div>

JavaScript

$(".lnkToggle").click(function(){
	$(this).next().toggle( "fast", function() {
    	// Animation complete.
  	});
});