Skip to content

Instantly share code, notes, and snippets.

@OctaneInteractive

OctaneInteractive/Grab date & time data from web pages

Last active December 29, 2015 16:59
Show Gist options
  • Save OctaneInteractive/30e0967fb93b144810a2 to your computer and use it in GitHub Desktop.
Save OctaneInteractive/30e0967fb93b144810a2 to your computer and use it in GitHub Desktop.
Download ZIP
Grab date & time data from a web page and turn it into timestamp.
Raw
Grab date & time data from web pages
$(document).ready(function(){
var objDateTimeTags = new Object({
// The Dublin Core Metadata Initiative (DCMI) ( http://dublincore.org/about-us/ ).
option1: function () {
var datetime_published = $("meta[name='DC.Date']").attr("content");
return validation(datetime_published);
},
option2: function () {
var datetime_published = $("dc\\:date").text();
return validation(datetime_published);
},
/**
* Sources include:
* - IFL Science ( http://www.iflscience.com/ );
* - Popular Mechanics ( http://www.popularmechanics.com/ );
* - The Guardian ( http://www.theguardian.com/ );
* - Laughing Squid ( http://laughingsquid.com/ );
* - Fast Company ( http://www.fastcocreate.com/ ).
*/
option3: function () {
var datetime_published = $("meta[property='article:published_time']").attr("content");
return validation(datetime_published);
},
/**
* Sources include:
* - New York Times ( http://www.nytimes.com/ ).
*/
option4: function () {
var datetime_published = $("meta[name='ptime']").attr("content");
var datetime_published_formatted = function(datetime) {
// Example: 20140911212613, which is equivalent to: 2014-09-11T21:26:13
if ( (typeof datetime !== 'undefined') && (datetime.length === 14) ) {
// Date.
var yyyy = datetime.slice(0, 4);
var mm = datetime.slice(4, 6);
var dd = datetime.slice(6, 8);
// Time.
var hours = datetime.slice(8, 10);
var minutes = datetime.slice(10, 12);
var seconds = datetime.slice(12, 14);
// Date & Time.
return datetime = yyyy + '-' + mm + '-' + dd + 'T' + hours + ':' + minutes + ':' + seconds;
} else {
return false;
}
};
var datetime_published = datetime_published_formatted(datetime_published);
return validation(datetime_published);
},
/**
* Sources include:
* - Science Magazine ( http://news.sciencemag.org/ );
* - Politico ( http://www.politico.com/ ).
*/
option5: function () {
var datetime_published = $("time").attr("datetime");
return validation(datetime_published);
},
/**
* Sources include:
* - BBC News ( http://www.bbc.com/news ).
*/
option6: function () {
var datetime_published = $('.date').data("seconds") * 1000;
return validation(datetime_published);
},
/**
* Sources include:
* - Business Insider ( http://www.businessinsider.com/ ).
*/
option7: function () {
var datetime_published = $("span[data-bi-format='date']").attr('rel') * 1000;
return validation(datetime_published);
},
/**
* Reference: https://www.parsely.com/docs/integration/metadata/ppage.html
* Sources include:
* - Ars Technica ( http://arstechnica.com/ );
* - The Next Web ( http://thenextweb.com/ );
* - Live Science ( http://www.livescience.com/ );
* - The Atlantic ( http://www.theatlantic.com/ );
* - The Slate ( http://www.slate.com/ ).
*/
option8: function () {
var json = $.parseJSON( ( $("meta[name='parsely-page']").attr("content") ) ? $("meta[name='parsely-page']").attr("content") : false );
var datetime_published_formatted = function(datetime) {
/**
* Examples include:
* - 2015-12-28T20:10:25Z
* - 2015-12-22 at 08:05:00AM EST
*/
if ( typeof datetime !== 'undefined' ) {
if ( /\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}?Z/.test(datetime) ) {
return datetime;
} else if ( /\d{4}-\d{2}-\d{2} at \d{2}:\d{2}:\d{2}\w{3} \w{3}/.test(datetime) ) {
var arrdt = datetime.split(' at ');
// Date.
var d = arrdt[0];
// Time.
var t = arrdt[1].slice(0, 8);
// Date & Time.
return d + 'T' + t;
}
return false;
}
};
var datetime_published = datetime_published_formatted( (typeof json.pub_date !== 'undefined') ? json.pub_date : '' );
return validation(datetime_published);
},
/**
* Sources include:
* - USA Today ( http://www.usatoday.com/ ).
*/
option9: function() {
var datetime_published = $("meta[itemprop='datePublished']").attr("content");
return validation(datetime_published);
},
/**
* Sources include:
* - i09 ( http://io9.gizmodo.com/ ).
*/
option10: function() {
var json = $.parseJSON( ( $("script[type='application/ld+json']").html() ) ? $("script[type='application/ld+json']").html() : false );
return validation( (typeof json.datePublished !== 'undefined') ? json.datePublished : '' );
},
/**
* Sources include:
* - i100 from the Independent ( http://i100.independent.co.uk/ ).
*/
option11: function() {
var datetime_published = $("article").data("releasedate");
return validation(datetime_published);
},
/**
* Sources include:
* - Daily Kos ( http://www.dailykos.com/ ).
*/
option12: function() {
var datetime_published = $("span.timestamp").first().data("epoch-time");
var datetime_published_formatted = function(datetime) {
if ( typeof datetime !== 'undefined' ) {
return datetime.toString().slice(0, 10) * 1000;
} else {
return false;
}
};
return validation(datetime_published_formatted(datetime_published));
},
/**
* Sources include:
* - Vanity Fair ( http://www.vanityfair.com/ ).
*/
option13: function() {
var datetime_published = $("meta[name='pubdate']").attr("content");
return validation(datetime_published);
}
});
// Helper functions.
Date.prototype.getUnixTime = function() { return this.getTime() / 1000|0 };
function validation (datetime) {
return ( (new Date( datetime )) > 0 ) ? (new Date( datetime ).getUnixTime()) : '';
}
// Reference: https://gist.github.com/kmaida/6045266
function get_timestamp_from_unix_epoch (datetime) {
// Example: 1449854274, which is equivalent to: 2015-12-11 17:17:54
if ( (typeof datetime !== 'undefined') && (datetime.length === 10) ) {
var dt = new Date(datetime * 1000), // Convert the passed timestamp to milliseconds
// Date.
yyyy = dt.getFullYear(),
mm = ('0' + (dt.getMonth() + 1)).slice(-2), // Months are zero based, so add a leading 0.
dd = ('0' + dt.getDate()).slice(-2), // Add leading 0.
// Time.
hours = dt.getHours(),
minutes = ('0' + dt.getMinutes()).slice(-2), // Add leading 0.
seconds = ('0' + dt.getSeconds()).slice(-2), // Add leading 0.
time;
// Date & Time.
return time = yyyy + '-' + mm + '-' + dd + ' ' + hours + ':' + minutes + ':' + seconds;
} else {
return false;
}
}
function getDatePublication () {
var datetime;
for (var key in objDateTimeTags) {
datetime = get_timestamp_from_unix_epoch( objDateTimeTags[key]().toString() );
if (datetime !== false) break;
}
// A default value, in the event no date & time value is found.
return (datetime) ? datetime : '0000-00-00 00:00:00';
}
alert ( getDatePublication() );
});
@OctaneInteractive
Copy link
Author

Please feel free to expand the objDateTimeTags object variable with more patterns and their sources.

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment