JSFiddle - React, Tailwind, and code Playground

JavaScript

if (typeof HTMLDocument !== 'undefined') {
    HTMLDocument.prototype.writeLine = function(text){
        this.write(text);
        this.write("<br />");  
    };
} else {
    Document.prototype.writeLine = function(text){
        this.write(text);
        this.write("<br />");  
    };
}

document.writeLine("Line 1");
document.writeLine("Line 2");