下面是一个显示所有全角半角的字体的查看例子

<style>
BODY {
 FONT-SIZE: 9pt; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; PADDING-TOP: 0px;
}
input {
 FONT-SIZE: 9pt; height: 13pt;
}
</style>
<script>
function showUni(min,max){
 show.document.open();
 show.document.writeln("<style>body{font-size:9pt;word-break:break-all;}</style>");
 show.document.writeln(min + " - " + max + "<br><br>");
 var i=0;
 for(i=min;i<=max;i++){
  show.document.write("&#" + i + ";");
 }
 show.document.close();
}
</script>
<input type=button value="半角"  onclick=showUni(32,126)>
<input type=button value="全角"  onclick=showUni(65281,65374)>
<input type=button value="中文1" onclick=showUni(19968,40869)>
<input type=button value="中文2" onclick=showUni(63744,64045)>
<input type=button value="日文平"  onclick=showUni(12353,12435)>
<input type=button value="日文片"  onclick=showUni(12449,12534)>
<input type=button value="韩文"  onclick=showUni(44032,55203)>
<br>自定义：<input name=min> - <input name=max>
<input type=button value="察看" onclick=showUni(parseInt(document.all.min.value),parseInt(document.all.max.value))>
<br>
<iframe src="about:blank" id=show width=100% height=70% scroll=no></iframe>

(编辑:aniston)