Revision: 52169
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at October 14, 2011 23:16 by mike_fowler
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Date.prototype.toRelativeTime = function(now_threshold) { var delta = new Date() - this; now_threshold = parseInt(now_threshold, 10); if (isNaN(now_threshold)) { now_threshold = 0; } if (delta <= now_threshold) { return 'Just now'; } var units = null; var conversions = { millisecond: 1, // ms -> ms second: 1000, // ms -> sec minute: 60, // sec -> min hour: 60, // min -> hour day: 24, // hour -> day month: 30, // day -> month (roughly) year: 12 // month -> year }; for (var key in conversions) { if (delta < conversions[key]) { break; } else { units = key; // keeps track of the selected key over the iteration delta = delta / conversions[key]; } } // pluralize a unit when the difference is greater than 1. delta = Math.floor(delta); if (delta !== 1) { units += "s"; } return [delta, units].join(" "); };
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https://raw.github.com/ry/node_chat/master/client.js
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* Returns a description of this past date in relative terms. * Takes an optional parameter (default: 0) setting the threshold in ms which * is considered "Just now". * * Examples, where new Date().toString() == "Mon Nov 23 2009 17:36:51 GMT-0500 (EST)": * * new Date().toRelativeTime() * --> 'Just now' * * new Date("Nov 21, 2009").toRelativeTime() * --> '2 days ago' * * // One second ago * new Date("Nov 23 2009 17:36:50 GMT-0500 (EST)").toRelativeTime() * --> '1 second ago' * * // One second ago, now setting a now_threshold to 5 seconds * new Date("Nov 23 2009 17:36:50 GMT-0500 (EST)").toRelativeTime(5000) * --> 'Just now' * */
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To Relative Time
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JavaScript