查找是星期几
<html><head><title>查找是星期几</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"></head> <!--------------------------------><body bgcolor="#fef4d9" onLoad="setY()"><SCRIPT LANGUAGE="JavaScript"><!-- Beginvar months = new Array("January","February","March","April","May","June","July","August","September","October","November","December");var days = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");var mtend = new Array(31,28,31,30,31,30,31,31,30,31,30,31);var opt = new Array("过去时间","将来时间");function getDateInfo() {var y = document.form.year.value;var m = document.form.month.options[document.form.month.options.selectedIndex].value;var d = document.form.day.options[document.form.day.options.selectedIndex].value;var hlpr = mtend[m];if (d < mtend[m] + 1) {if (m == 1 && y % 4 == 0) { hlpr++; }var c = new Date(y,m,d);var dayOfWeek = c.getDay();document.form.dw.value = days[dayOfWeek];if(c.getTime() > new Date().getTime()) {document.form.time.value = opt[1];}else {document.form.time.value = opt[0]; }}else {alert("这一天"+months[m]+" "+d+", "+y+"是不存在的.\n请重新选择."); }}function setY() {var y = new Date().getYear();if (y < 2000) y += 1900;document.form.year.value = y;}// End --></script><form name="form"><p>日<select name="day" size="1"><option selected value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option><option value="11">11</option><option value="12">12</option><option value="13">13</option><option value="14">14</option><option value="15">15</option><option value="16">16</option><option value="17">17</option><option value="18">18</option><option value="19">19</option><option value="20">20</option><option value="21">21</option><option value="22">22</option><option value="23">23</option><option value="24">24</option><option value="25">25</option><option value="26">26</option><option value="27">27</option><option value="28">28</option><option value="29">29</option><option value="30">30</option><option value="31">31</option></select>月<select name="month" size="1"><option selected value="0">January</option><option value="1">February </option><option value="2">March </option><option value="3">April </option><option value="4">May </option><option value="5">June </option><option value="6">July </option><option value="7">August </option><option value="8">September </option><option value="9">October </option><option value="10">November </option><option value="11">December </option></select>年<input type="text" name="year" size="4"> <input type="button"value="看看这天的信息" name="gdi" onClick="getDateInfo()"></p><p>这里显示是星期几:<input type="text" name="dw" size="12">时间状态:<input type="text"name="time" size="10"></p></form><!----------------------------------></body></html>查看/参与:讨论/评论 相关文章:Javascript
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