休息日(作业)
1、使用javascript输出张三丰的个人信息
代码:
<script type="text/javascript"> var information = "张三丰的个人简历"; var name = "张三丰"; var sex = "男"; var age = "34"; var edu = "本科"; var finishEdu = "2005年7月"; var finishiCollage = "北京科技大学"; var result = ""; result+= '<table border="1" align="center" rules="all">'; result+= '<tr>'; result+= '<th colspan="4">'; result+='<font color="red">'+information+'</font>'; result+='</th>'; result+= '</tr>'; result+= '<tr>'; result+= '<td>姓名:</td>'; result+= '<td>'+name+'</td>'; result+= '<td>性别;</td>'; result+= '<td>'+sex+'</td>'; result+= '</tr>'; result+='<tr>'; result+= '<td>年龄:</td>'; result+= '<td>'+age+'</td>'; result+= '<td>学历:</td>'; result+='<td>'+edu+'</td>'; result+= '</tr>'; result+= '<tr>'; result+= '<td>毕业时间:</td>'; result+= '<td>'+finishEdu+'</td>'; result+= '<td>毕业学校:</td>'; result+= '<td>'+finishiCollage+'</td>'; result+= '</tr>'; result+= '</table>'; document.write(result); </script>
结果:
2、使用一行语句输出三个数的最大值
代码:
<script type="text/javascript">
var a = 100;
var b = 82;
var c = 300;
var res = a > b ? a : b;
var max = res > c ? res : c;
document.write(max);
</script>
<script type="text/javascript"> document.write("<hr>"); var a = 393; var b = 7889; var c = 4254543; document.write( a > b ? (a>c? a:c) : (b>c?b:c) ); </script>
结果:
3、求出1—100之间所有偶数的和
代码:
<script type="text/javascript"> var i = 1; var sub = 0; while(i <= 100) { if(i % 2 ==0) { sub += i; } i++; } document.write("1到100之间的所有偶数之和:"+sub); </script>
结果:
4、输出系统当前的星期
代码:
<script type="text/javascript"> var today = new Date(); var week = today.getDay(); switch(week) { case 1 : str = "一"; break; case 2 : str = "二"; break; case 3 : str = "三"; break; case 4: str = "四"; break; case 5: str = "五"; break; case 6: str = "六"; break; default: str = "七"; } var str = "今天是星期:"+str; document.write(str); </script>
结果:
5、判断年份是不是闰年
代码:
<script type="text/javascript"> var year = 2001; if(year % 4 == 0 && year % 100 != 0 || year % 400 == 0) { document.write(year+"年是一个闰年"); } else{ document.write(year+"年不是一个闰年"); } </script>
结果: