JSFiddle - React, Tailwind, and code Playground
HTML
<div style="border : solid 2px red;width:200px;height:200px" id="paper"></div>
JavaScript
var c= Raphael("paper", 200, 00);
var line3 = c.path("M200 0");
var line4 = c.path("M 180 38 h0");
line3.animate({path:"M200 0 180 38"}, 2000, function() {
line4.animate({path:"M 180 38 h-180"}, 2000);
});