📄 js11.html
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<HTML>
<HEAD>
<script language = "Javascript">
var bstr = "大号";
var sstr = "小号";
var blstr = "粗体";
var blkstr = "闪烁";
var ucase = "大写abc";
var lcase = "小写ABC";
document.write ("<BR>这是"+ bstr.big() + "文本");
document.write ("<BR>这是"+ sstr.small() +"文本");
document.write ("<BR>这是"+ blstr.bold() + "文本");
document.write ("<BR>这是"+ blkstr.blink() + "文本");
document.write ("<BR>这是"+ ucase.toUpperCase() + "文本");
document.write ("<BR>这是"+ lcase.toLowerCase() + "文本");
</script>
</HEAD>
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