<table border>
<tr>
<td id="test" style="width:100;word-break:break-all"></td>
</tr>
</table>
<script>
test.innerHTML = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
</script>
<tr>
<td id="test" style="width:100;word-break:break-all"></td>
</tr>
</table>
<script>
test.innerHTML = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
</script>
<body>
<table border=1 style='table-layout:fixed;word-wrap :break-word;width:60'>
<tr style='height:60;width:60'>
<td id='po'></td>
</tr>
</table>
<input type=button value='aa' onclick="document.all('po').innerText='pppppppppppppppppppppppppppppppppppp'">
</body>
</html>