JSFiddle - React, Tailwind, and code Playground

JavaScript

var author="jdstiles.com";
var DS_ScrollText="Nous vous attendons nombreux et nombreuses au marché de noël les 26 et 27 novembre à Boisney";
var DS_Speed=(5-(1))*35; 
document.write("<form name=\"ds_form\"><input type=\"button\" name=\"ds_scrollb\" value=\"\"  style=\"background-color:#000098;font-size:16;color:#ffffff;font-family:verdana; width:100%\">");
var DS_ScrollCounter=0;
var DS_I=0;
while(DS_I++<4)
DS_ScrollText="        "+DS_ScrollText;
function DS_ButtonScroll(){
document.ds_form.ds_scrollb.value=DS_ScrollText.substring(DS_ScrollCounter,DS_ScrollText.length)+DS_ScrollText.substring(0,DS_ScrollCounter);;
DS_ScrollCounter++;
DS_ScrollCounter%=(DS_ScrollText.length);
setTimeout("DS_ButtonScroll()",DS_Speed);
}
DS_ButtonScroll();