<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
var arr = new Array();
for(var index = 0; index<this.length; index++){
arr[index]=this.charAt(index);
}
return arr;
var arr = this.toCharArray();
arr.reverse();
return arr.join(" ");
}
var str = "厉害了";
var chaArr = str.toCharArray();
document.write("数组的元素："+chaArr.join(","));
str = str.reverse();
document.write("翻转后的字符串："+str);
</script>
</head>
<body>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
/*
需求：利用prototype（原型）给字符串对象添加一个toCharArray的方法，然后再添加一个reverse(翻转)的 方法
*/
<script type="text/javascript">
//字符串对象添加一个toCharArray的方法
var arr = new Array();
for(var index = 0; index<this.length; index++){
arr[index]=this.charAt(index);
}
return arr;
}
//字符串对象添加reverse(翻转)的 方法
String.prototype.reverse = function(){var arr = this.toCharArray();
arr.reverse();
return arr.join(" ");
}
var str = "厉害了";
var chaArr = str.toCharArray();
document.write("数组的元素："+chaArr.join(","));
str = str.reverse();
document.write("翻转后的字符串："+str);
</script>
</head>
<body>
</body>
</html>