"use strict";
document.querySelector("button").addEventListener("click",jsandcssreload);
function jsandcssreload(){
let d = (new Date()).getTime();
[...document.querySelectorAll("link")].forEach((elm)=>{
elm.href = elm.href.replace(/(\.css)\??[0-9]{0,}$/,".css?" + d);
});
[...document.querySelectorAll("script")].forEach((elm)=>{
elm.src = elm.src.replace(/(\.js)\??[0-9]{0,}$/,".js?" + d);
});
}
https://gist.github.com/taoka-toshiaki/a4b8312d69631a7d00e86d3b33839019