GreaseMonkey user script: change Twitter font (solve Hebrew font issue)

twitter-font.js

// ==UserScript==
// @name     Twitter change font 695737
// @description Change font for Hebrew content on Twitter
// @version  1
// @grant    none
// @match    https://twitter.com/*
// ==/UserScript==

// Note: obsolete!

console.log("Twitter Font Changer: Loaded")

function GM_addStyle(cssStr) {
    var D = document;
    var newNode = D.createElement ('style');
    newNode.textContent = cssStr;

    var targ = D.getElementsByTagName ('head')[0] || D.body || D.documentElement;
    targ.appendChild (newNode);
}

GM_addStyle(`
	.r-poiln3 {
  	font-family: arial;
}`);

console.log("Twitter Font Changer: Done")