JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" onclick="openTwoWindowTab();">Click Here</a>

JavaScript

function openTwoWindowTab() {
        // create object to serve the urls
        var obj = {
            0: 'http://www.google.com',
            1: 'http://www.yahoo.com'
        };
        setTimeout(function () { // use setTimeout function to wait for other window to open
                                 // otherwise one window will be opened in the browser window
            for (var a = 0; a <= Object.keys(obj).length - 1; a++) {
                window.open(obj[a], '_blank');
            }
        }, 1000);
    }