if(sessionStorage.getItem("isReload")){
console.log("頁面被刷新");
}else{
console.log("首次被加載");
sessionStorage.setItem("isReload", true)
}
if(sessionStorage.getItem("isReload")){
console.log("頁面被刷新");
}else{
console.log("首次被加載");
sessionStorage.setItem("isReload", true)
}