wordpress js广告

<script>
document.addEventListener("DOMContentLoaded", function() {
    var popup = document.getElementById('popup');
    var popup_box = document.querySelector('.popup_box');
    var popup_close = document.querySelector('.popup_close');

    // 窗口加载时弹出
    window.onload = function() {
        popup.style.display = "block";
    }

    // 点击窗体其他位置时关闭
    window.onclick = function(event) {
        if (event.target == popup) {
            popup.style.display = "none";
        }
    }

    popup_box.onclick = function() {
        popup.style.display = "none";
    }

    // 点击关闭按钮时关闭
    popup_close.onclick = function() {
        popup.style.display = "none";
    }
});
</script>

#popup {
    position: fixed;
    top: 0;
    left: 0;
    display: none;
    width: 100%;
    height: 100%;
    margin: auto;
    background: rgba(36, 36, 36, 0.8);
}
.popup_box {
    z-index: 10;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 280px;
    height: 396px;
    margin: auto;
    text-align: center;
}
.popup_close {
    position: relative;
    width: 36px;
    height: 36px;
    background: #fff;
    color: #999;
    float: right;
    font-size: 24px;
    text-align: center;
    border-radius: 50%;
    line-height: 36px;
    font-weight: bold;
}
.popup_close:hover, .popup_close:focus {
    color: red;
    cursor: pointer;
}
.popup_img {
    position: relative;
    top: 36px;
    left: 0px;
    width:240px;
    height:360px;
    border-radius: 15px;
}