麻烦老师检查一下代码

来源：3-31 编程练习

慕虎0507412

2019-02-11 01:04:37

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>首字母变大写</title>
    </head>
    <body>
    <script>
        //补充代码
        function camelback(str){
            var arr=str.split(" ");
            var len=arr.length,word;
            for(var i=0;i<len;i++){
                word=arr[i].charAt(0);
                arr[i]=word.toUpperCase()+arr[i].slice(1);
            }
            var newStr=arr.join(" ");
            return newStr;
        }
        var str="all time is no time when it is past";
        document.write(str+"<br>");
        var camelFormat=camelback(str);
        document.write(camelFormat);
    </script>
    </body>
</html>

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