加了br换行符怎么才能看出效果呢
<body>
<p id="con">萨瓦迪卡,欢迎大家。</p>
<script type="text/javascript">
var mycon=document.getElemenById("con");
document.write("p标签原始内容":+mycon.innerHTML+<"br/">)
</script>
</body>
<body>
<p id="con">萨瓦迪卡,欢迎大家。</p>
<script type="text/javascript">
var mycon=document.getElemenById("con");
document.write("p标签原始内容":+mycon.innerHTML+<"br/">)
</script>
</body>
2018-06-25
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