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<title>web 前端开发学习 q 群: 731771211 详细教程讲解 </title>
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var da=time.getDate();
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case 1: daystr="星期一";
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case 2: daystr="星期二";
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case 3: daystr="星期三";
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case 4: daystr="星期四";
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case 5: daystr="星期五";
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case 6: daystr="星期六";
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default: daystr="";
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var str=year+"年"+month+"月"+da+"日"+daystr+""+hour+": "+min+": "+sec;
timer.innerHTML=str;
setTimeout(printTime,1000);
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来源: http://www.qdfuns.com/article/51769/5f19ae7dafb81ea65332c258debbf03d.html