참고 URL : https://velog.io/@kler/TIL4-%EB%A1%9C%EC%BB%AC%EC%8A%A4%ED%86%A0%EB%A6%AC%EC%A7%80-%EC%84%B8%EC%85%98%EC%8A%A4%ED%86%A0%EB%A6%AC%EC%A7%80-%EC%BF%A0%ED%82%A4-%EC%A0%95%EB%A6%AC
key ,value 값으로 구현되어있으며, 자바의 hashmap 과 비슷함
localStorage.getItem("ipCheck")
localStorage.setItem("ipCheck","192.168.0.1")
<script>
var userIP = localStorage.getItem("ipCheck")
var userAgent = localStorage.getItem("securus_user_agent")
var NowDate = localStorage.getItem("NowDate")
if (userIP =='<%=ipCheck%>'){
if (userAgent =='<%=securusUserAgent%>'){
var timeCheck = '<%=NowDate%>' - NowDate
if (timeCheck<10){
alert("빠른시간내에 반복적으로 로그인을 시도 할 수 없습니다.")
history.back();
}
}
}
localStorage.setItem("securus_user_agent",'<%=securusUserAgent%>')
localStorage.setItem("NowDate",'<%=NowDate%>')
localStorage.setItem("ipCheck",'<%=ipCheck%>')
</script>