代码示例:(标识:event_touchstart_javascript)
<!DOCTYPE html>
<html>
<body>

<h1>DOM touchstart 事件</h1>

<p id="myP">触摸此段落可触发将写入 "Hello World" 的函数。</p>

<p><b>注释:</b>触摸事件仅适用于触摸设备。</p>

<p id="demo"></p>

<script>
document.getElementById("myP").ontouchstart = myFunction;

function myFunction() {
  document.getElementById("demo").innerHTML = "Hello World";
}
</script>

</body>
</html>
运行结果: