Nevermind - I figured it out. this is what ended up working (thanks to
your comment about the months)
/*\
title: $:/inmysocks/macros/day-diff2.js
type: application/javascript
module-type: macro
Takes two dates and returns their difference in days
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Information about this macro
*/
exports.name = "day-diff2";
exports.params = [
{name: "duedate"}
];
/*
Run the macro
*/
exports.run = function(duedate) {
//Make each date object.
var date1 = new Date();
var d = duedate;
var year = d.substring(0, 4);
var month = d.substring(4, 6);
var month2 = month - 1;
var day = d.substring(6, 8);
var date2 = new Date(year, month2, day);
//Find difference in milliseconds.
var elapsed = date2.getTime()-date1.getTime();
//Number of milliseconds in a day.
var dayMS = 86400000;
//Convert milliseconds to year months and days
var days_diff = Math.floor(elapsed/dayMS);
var result = days_diff;
return result;
};
})();
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