| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263 | <!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0">    <title>Document</title>    <style>        .box{            width: 400px;            height: 400px;            background-color: red;            position: absolute;            top:0;            left: 0;        }        .div1{            width: 200px;            height: 200px;            background-color: blue;            position: absolute;            top: 0;            left: 0;            z-index: 1;        }    </style></head><body>    <div class="div1"></div>    <div class="box"></div>    <script>        let oBox = document.querySelector(".box");        let oDiv = document.querySelector(".div1");                oDiv.ontouchstart = function(){                        this.style.display = "none";        }        oBox.onclick = function(){            console.log("click");        }        // oDiv.ontouchstart = function(){        //     console.log("click");        //     this.style.display = "none";        // }        // oDiv.ontouchstart = function(){        //     console.log("ontouchstart")        // }        // oDiv.ontouchmove = function(){        //     console.log("ontouchmove");        // }        // oDiv.ontouchend = function(){        //     console.log("ontouchend");        // }        // oBox.onclick = function(){        //     console.log("onclick");        // }    </script></body></html>
 |