JSFiddle - React, Tailwind, and code Playground

HTML

Some of <blink>this text</blink> will <blink>blink</blink>!

JavaScript

setInterval(function() {
    this.state = this.state ? false : true;
    this.list = document.getElementsByTagName('blink')
    for (var i = this.list.length - 1; i >= 0; i --) {
        this.list[i].style.color = this.state ? 'transparent' : 'inherit';
    }
}, 1000);