JSFiddle - React, Tailwind, and code Playground

by Pradeep Shankar

JavaScript

var now = new Date();
var alerttime = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 10, 0, 0, 0) - now;
if ( alerttime < 0) {
      alerttime += 86400000; // it's after 10am, try 10am tomorrow.
}
setTimeout(function(){myfun(); setInterval(myfun, 1*60*1000)}, alerttime);

function myfun() {
alert("Hello world..!");
}