js显示时间,为什么会报错now未定义?

"use strict” var datNow = new Date(); function now(){ let pN = document.getElementById('p1'); pN.innerHTML = datNow.getFullYear()+ (datNow.getMonth()+1)+datNow.getDate(); }

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都是数字类型的

没啥问题啊,虽然没有成功显示时间,因为那些值都是数字不是字符串所以被加在一起了,但是函数没有报错。


<!doctype html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
  <title> 页面名称 </title>
  <style type="text/css">

  </style>
</head>

<body>
  <div class="box" id="p1">

  </div>
</body>

<script>
  //"use strict” 
  var datNow = new Date();
  function now() {
    let pN = document.getElementById('p1');
    pN.innerHTML = datNow.getFullYear() + (datNow.getMonth() + 1) + datNow.getDate();
  }
  now()
</script>

</html>

img

"use strict”