JSFiddle - React, Tailwind, and code Playground
by levchenko_d
HTML
<div id="test">
<a>1</a>
<a>2</a>
<a>3</a>
<a>4</a>
</div>
CSS
http://jsfiddle.net/#save
JavaScript
var as = document.getElementById('test').getElementsByTagName('a');
var b = as.length;
for (var i=0; i<4; i++){
as[i].onclick=function(){
for ( i=0; i<4; i++){
as[i].style.color="blue";
}
this.style.color = "red";
};
}