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我有彈出窗口,當您進入我的網站時顯示 - 這是一個警告標籤。我只希望它出現在第一次訪問,而不是再次。目前每次點擊刷新或返回主頁時都會顯示。顯示彈出式菜單一次性
下面是JavaScript代碼(只要有人點擊了 '警告按鈕輸入'):
<script>
"use strict"
warning_popup();
function warning_popup() {
addEventListener('load', start);
function start() {
// popup block background
var bkg = document.createElement("div");
bkg.id = "warning-background";
document.body.insertBefore(bkg, document.body.firstChild);
// popup window
var box = document.createElement("div");
box.id = "warning-window";
document.getElementById("warning-background").appendChild(box);
// warning title
var title = document.createElement("div");
title.id = "warning-title";
title.className = "page-title-wrapper page-title";
title.innerHTML = "<h1>Binge Eating Disorder<\h1>";
document.getElementById("warning-window").appendChild(title);
// warning description
var desc = document.createElement("div");
desc.id = "warning-desc";
desc.className = "page-desc";
desc.innerHTML = "<p>Binge Eating Disorder is disease that I take very seriously.<p>";
document.getElementById("warning-window").appendChild(desc);
// warning button enter
var enter = document.createElement("div");
enter.id = "warning-enter";
enter.className = "page-desc";
enter.innerHTML = "<p>View</p>";
document.getElementById("warning-window").appendChild(enter);
// warning button back
//var back = document.createElement("div");
//back.id = "warning-back";
// back.className = "page-desc";
// back.innerHTML = "<p>Take Me Back</p>";
// document.getElementById("warning-window").appendChild(back);
// listens for button clicks
document.querySelector("#warning-enter").addEventListener("click", function() {
document.querySelector("#warning-background").style.visibility = "hidden";
});
document.querySelector("#warning-back").addEventListener("click", function() {
window.history.back();
});
}
}
解決方法很簡單只是設置有失效之日起一年一個javascript的cookie從現在每次檢查頁面加載。如果該cookie存在,則不運行show_popup函數 –