This is a small tool to convert a number which refer to days from the begining of this year till today to be month & day mode.
For example: reformat 123 to Month 5 day 3.
/** Copyright : Bian Junjie*/<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body {font-size:9px}
td, th {height:15px; width:50px}
table {width:500px; border-collapse:collapse }
table,td { border: 1px solid blue}
</style>
<script type="text/javascript"
src="Common_JS.js">
</script>
</head>
<body>
<table>
<tr>
<th>Days</th>
<th>Date</th>
<th><input type='button' value='Calc' οnclick="calcFunction()"/></th>
</tr>
<tr>
<td><input id='y_days' type='text' width=50px οnkeypress="keyProcess(event)"/></td>
<td id='date'> </td>
<td> </td>
</tr>
<tr>
<td colspan="3" id="outMsg"> </td>
</tr>
</table>
</body>
<script type="text/javascript">
var dayArray=[31,28,31,30,31,30,31,31,30,31,30,31];
// var dayArray=[31,29,31,30,31,30,31,31,30,31,30,31];
function keyProcess(e){
if(e.keyCode == 13)
calcFunction();
}
function calcFunction(){
var i=0;
dayInput = commFunction.getValue("y_days");
if(1 == commFunction.empCheck(dayInput)){
commFunction.writeMsg("outMsg",commFunction.EMPTYVALUE);
return;
}
if(1 == commFunction.NumCheck(dayInput)){
commFunction.writeMsg("outMsg",commFunction.NONNUM);
return;
}
do{
if(i>=12 || dayInput<=dayArray[i]) break;
dayInput -= dayArray[i++];
}while(true);
if(i>=12 && dayInput >0){
commFunction.writeMsg("outMsg","too many days inputted!");
return;
}
writeDate(i+1,dayInput);
}
function writeDate(p1,p2){
commFunction.writeMsg("outMsg","");
document.getElementById("date").innerHTML = "Month " + p1.toString() + " Day " + p2.toString();
}
</script>
</html>Outer Javascript:
// Copyright: Bian Junjie//This is collection with common useful functions
var commFunction = {
EMPTYVALUE:"輸入不能爲空",
NONNUM:"不能輸入非數字",
empCheck: function(InputValue){
if(InputValue.length==0 || InputValue.length == undefined){
return 1;
}else{ return 0;}
}
,
NumCheck: function (InputValue){
if(isNaN(parseInt(InputValue))){
return 1;
}else
return 0;
}
,
getValue: function(id){
return document.getElementById(id).value;
}
,
writeMsg: function(id,Msg){
document.getElementById(id).innerHTML = Msg;
}
,
Zerotrim: function(InputValue){
for(var i= 0;;){
if(parseInt(InputValue.charAt(i)) == 0)
InputValue = InputValue.substr(i+1);
if(parseInt(InputValue.charAt(i)) != 0)
break;
}
// input like '000' will be empty value after trim
// give default value make sure no empty value return
if(InputValue.length == 0)
InputValue = "0";
return InputValue;
}
}Result:
IE 11, cannot resolve the outer JavaScript referece. Chrome & 360IE works fine.
