css3 pointer-events:none 允許點選穿透

<style>

.container {

    position: relative;

    width: 200px;

    height: 50px;

    margin: 20px 0;

}

.cover_through {

    pointer-events: none;//使用目前屬性點選div将觸發連結

}

.cover {

    position: absolute;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background-color: rgba(255,203,152,0.5);

}

</style>

<div class="container">

  <div class="cover_through cover js-click-to-alert"></div>

  <a href="http://wx.huipinze.com" target="_blank" rel="external nofollow" target="_blank">http://wx.huipinze.com</a>

</div>