xxxxxxxxxx
<!DOCTYPE html>
<html>
<title>JavaScript toUpperCase() 转换为大写方法 - 基础教程(div.cn)</title>
<body>
<h1>JavaScript toUpperCase() Method</h1>
<p>点击按钮将字符串转换为大写字母:</p>
<button onclick="myFunc()">Click</button>
<p id="result"></p>
<script>
function myFunc() {
var str1 = "www.NHOOO.com";
var str2 = str1.toUpperCase();
document.getElementById("result").innerHTML = str2;
}
</script>
</body>
</html>