老师看下代码是否正确
来源:3-30 编程练习
yarwood
2020-08-30 17:22:25
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>string之大小写</title>
</head>
<body>
<script>
var str= "If you would have a thing well done,do it yourself";
var strUpper=str.toUpperCase();
document.write(strUpper);
document.write("<br/>")
var strLower=strUpper.toLocaleLowerCase();
document.write(strLower);
</script>
</body>
</html>
1回答
同学你好,代码是正确的。继续加油,祝学习愉快!
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