<script>
var str = prompt("脚本提示:\n 请输入一行文字:","");
var upper_str = str.toUpperCase();
for(var i=upper_str.length-1;i>=0;i--) document.write(upper_str.charAt(i));
</script>
时间: 2024-08-24 14:50:56
<script>
var str = prompt("脚本提示:\n 请输入一行文字:","");
var upper_str = str.toUpperCase();
for(var i=upper_str.length-1;i>=0;i--) document.write(upper_str.charAt(i));
</script>