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dates.html
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dates.html
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<!DOCTYPE html>
<html>
<head>
<title>Calendar</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width">
<script>
function fixRisk() {
if(document.location.search=='?risk'){
[...document.all].forEach(x=>{
if(x.style.color=='rgb(0, 0, 0)')
x.style.textShadow='0px 0px 5px white'
});
[...document.getElementsByTagName('a')].forEach(x=>{
if(x.href)
x.href+='?risk'
})
}
}
</script>
<style>
#cal {
display:flex;
flex-wrap:wrap;
}
.month {
width:400px;
height:450px;
border:3px double #83B0F2;
margin:20px;
}
#cal .month .name {
display:block;
font-weight:700;
text-align:center;
padding:1em
}
table {
margin:auto;
width:350px;
}
table,tr,td,th {
border:1px solid #83B0F2;
border-collapse:collapse;
}
th,td {
width:50px;
height:50px;
}
td {
font-size:0.75em;
color:gray !important;
text-align:right;
vertical-align:top;
padding:0 !important;
margin:0 !important;
}
td:first-line {
color:#83B0F2;
font-size:1.33em;
}
</style>
<link rel="stylesheet" href="./hackmud.css">
<script>
function formatMonth(cal,wk,m,y,ar) {
var d=document.createElement('div');
d.className='month';
var s=document.createElement('span');
s.className='name';
s.appendChild(document.createTextNode(m+' '+y));
d.appendChild(s);
var t=document.createElement('table');
var tr=document.createElement('tr');
for(var i=0;i<7;++i) {
var th=document.createElement('th')
th.appendChild(document.createTextNode(['Su','Mo','Tu','We','Th','Fr','Sa'][(i+wk)%7]));
tr.appendChild(th)
}
t.appendChild(tr);
var els=[];
for(var i=0;i<ar.length;++i) {
if(els.length==7) {
var tr=document.createElement('tr');
for(var j=0;j<els.length;++j)
tr.appendChild(els[j]);
t.appendChild(tr);
els=[];
}
if(i==0) {
for(var j=(wk<=ar[i].dow?wk:wk-7);j<ar[i].dow;++j)
els.push(document.createElement('td'));
}
var td=document.createElement('td');
td.appendChild(document.createTextNode(ar[i].date.getUTCDate()))
td.appendChild(document.createElement('br'));
td.appendChild(document.createTextNode('0='+ar[i].zero))
td.appendChild(document.createElement('br'));
td.appendChild(document.createTextNode('1='+ar[i].one))
els.push(td)
}
if(els.length) {
while(els.length < 7)
els.push(document.createElement('td'));
var tr=document.createElement('tr');
for(var i=0;i<els.length;++i)
tr.appendChild(els[i]);
t.appendChild(tr);
}
d.appendChild(t);
cal.appendChild(d);
}
function generate() {
var y=document.getElementById('inp').value;
var cal=document.getElementById('cal');
var wk=document.getElementById('wk').value/1;
var ly=document.getElementById('ly').checked
cal.innerHTML='';
var base=new Date(y+'-01-01T00:00:00Z')/1;
var lm=null;
var lc=null;
var ar=[];
var sub=0;
for(var i=0;i<366;++i) {
var d=new Date(base+i*24*3600*1000);
if(d.getUTCFullYear()!=y)continue;
if(d.getUTCMonth()==1 && d.getUTCDate()==29) {
sub=1;
if(ly)
continue;
}
if(ly)
ar.push({date:d,zero:i-sub,one:i+1-sub,dow:d.getUTCDay()-sub})
else
ar.push({date:d,zero:i,one:i+1,dow:d.getUTCDay()})
}
for(var i=0;i<12;++i) {
formatMonth(cal,wk,['January','February','March','April','May','June','July','August','September','October','November','December'][i],y,ar.filter(o=>o.date.getUTCMonth()==i))
}
}
</script>
</head>
<body onload='generate();fixRisk()'>
<p>Year <input type="number" value="2055" id="inp" style='max-width:5em'><br>
Weeks start on <select id="wk"><option value=0>Sunday</option><option value=1>Monday</option><option value=2>Tuesday</option><option value=3>Wednesday</option><option value=4>Thursday</option><option value=5>Friday</option><option value=6>Saturday</option></select><br>
Skip leap years? <input type="checkbox" id="ly"><br>
<button onclick="generate()">Generate</button></p>
<div id="cal"></div>
</body>
</html>