<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>if...else</title><script type="text/JavaScript">var mymoney,sum=0;//mymoney變量存放不同面值,sum總計for(mymoney=1;mymoney<=10;mymoney++){ ? sum=sum+mymoney;}? document.write("sum合計:"+sum);</script></head><body></body></html>
不明白為什么為什么結(jié)果是55 那個sun是45那么10是那里來的?
小朱1
2016-10-27 22:04:15