求一段JS

<html>
<body>
<span id='name'></span>
</body>
<script>
document.all.name.innerText='看见了嘛？';
</script></html>

<html>
<body>
<span id='name'></span>
<script>
  document.all.name.innerText='看见了嘛？';
</script>
</body>
</html>
<html>
<body>
<span id='name'>没有看见</span><input type=button value=try onclick="document.all.name.innerText=(document.all.name.innerText=='没有看见')?'现在看见了':'没有看见';">
</body>
</html>
<html>
<body>
<span id='name'></span>
<script>
  document.all["name"].innerText='看见了嘛？';
</script>
</body>
</html><html>
<body>
<span id='name'></span>
<script>
  document.getElementById("name").innerText='看见了嘛？';
</script>
</body>
</html>
<html>
<body>
<span id='name'></span>
<script>
  document.all.name.innerHTML='看见了嘛？';
</script>
</body>
</html>
<html>
<body>
<span id='name'></span>
<script>
  document.all.name.innerHTML='<label>看见了嘛？</label>';
</script>
</body>
</html>