为什么没有任何显示呢
<script type="text/JavaScript">
var mymoney,sum=0;//mymoney变量存放不同面值,sum总计
for(mymoney=1;mymoney<=10;mymoney++;)
{ 
  sum= sum + mymoney;
}
  document.write("sum合计:"+sum);
</script>
<script type="text/JavaScript">
var mymoney,sum=0;//mymoney变量存放不同面值,sum总计
for(mymoney=1;mymoney<=10;mymoney++;)
{ 
  sum= sum + mymoney;
}
  document.write("sum合计:"+sum);
</script>
 
                            2017-09-02
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