//如果有一个字符串"Rome was not built in a day"
//用程序统计该字符串中字符的个数
//不允许使用字符串对象的length属性。
//期末大作业1 统计字符串字符个数
//Rome was not built in a day
document.write("期末大作业1" + "<br/>");
var str = "Rome was not built in a day";
var countChar = 0;
for(var ch of str){
countChar++;
}
document.write("字符长度:"+countChar);
console.log(countChar);