标签:script case 字符串 函数 js对象 字符 java lower code
<script> var txt="Runoob"; document.write(txt.toLowerCase() + "<br>"); document.write(txt.toUpperCase()); </script>
runoob
RUNOOB
<script> eval("x=10;y=20;document.write(x*y)"); document.write("<br>" + eval("2+2")); document.write("<br>" + eval(x+17)); </script>
200
4
27
标签:script case 字符串 函数 js对象 字符 java lower code
原文地址:https://www.cnblogs.com/tanzizheng/p/12840280.html