JSFiddle - React, Tailwind, and code Playground

HTML

<img src="http://placehold.it/50x50" class="imageA" /><img src="http://placehold.it/50x50" class="imageB" />

CSS

.imageA:hover, .hoverAnimation
{
   border:solid 1px black;
}

JavaScript

$(function(){
  $("img.imageA").hover(function(){
     $("img.imageB").addClass("hoverAnimation");
  }
  ,function(){
     $("img.imageB").removeClass("hoverAnimation");
  });
});