Created
May 14, 2018 17:35
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Reddit Daily Programmer 360 Intermediate
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| <html> | |
| <head> | |
| <script src="GreatCircle.js"> | |
| </script> | |
| <script> | |
| function open(url, callback) { | |
| var xhttp; | |
| xhttp = new XMLHttpRequest(); | |
| xhttp.onreadystatechange = function() { | |
| if (this.readyState == 4 && this.status == 200) { | |
| callback(this.responseText); | |
| } | |
| }; | |
| xhttp.open("GET", url, true); | |
| xhttp.send(); | |
| } | |
| function run() { | |
| open("https://opensky-network.org/api/states/all", function(response) { | |
| var point = [48.8584, 2.2945]; | |
| var states = JSON.parse(response).states; | |
| var items = states.map(function(item) { | |
| return [ | |
| item[8], | |
| GreatCircle.distance(this[0], this[1], item[6], item[5]), | |
| item[1], | |
| item[6], | |
| item[5], | |
| item[7], | |
| item[2], | |
| item[0] | |
| ]; | |
| }, point); | |
| items.sort(function(a, b) { | |
| return !a[0] ? a[1] - b[1] : 1; | |
| }); | |
| var item = items[0]; | |
| document.write([ | |
| item[1].toFixed(2), | |
| item[2] == null ? "" : item[2].trim(), | |
| item[3].toFixed(4) + ", " + item[4].toFixed(4), | |
| item[5].toFixed(2), | |
| item[6] == null ? "" : item[6].trim(), | |
| item[7] == null ? "" : item[7].trim(), | |
| ].join("<br>")); | |
| }); | |
| } | |
| </script> | |
| </head> | |
| <body onload="run()"> | |
| </body> | |
| </html> |
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