JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <a href="#">Link 1</a>
    <a href="#">Link 2</a>
    <a href="#">Link 3</a>
</div>

CSS

div a {color: #000;}
div a.hover {color: #00f;}

JavaScript

$("div a").hover(
    function(){
        $("div a").addClass("hover");
    },
    function(){
        $("div a").removeClass("hover");
    }
);