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A tiny wrapper for the HTML5 Battery Status API.
Filed under miscellaneousShow AllBattery.js
A tiny JavaScript wrapper for the HTML5 Battery Status API.
As of October 2015 the Battery Status API is supported by Firefox, Chrome, Opera, Android Browser and Chrome for Android: http://caniuse.com/battery-statusDue to privacy concerns, support for the Battery Status API has been dropped from most browsers. See: https://caniuse.com/#feat=battery-status.
Install
$ npm install battery.js
Usage
var Battery = require('battery.js'); // or similar function logBatteryStatus(status) { console.log('Level: ' + Math.floor(status.level * 100) + '%'); // 30% console.log('Charging: ' + status.charging); // true console.log('Time until charged: ' + status.chargingTime); // 3600 (seconds) or Infinity console.log('Battery time left: ' + status.dischargingTime); // 3600 (seconds) or Infinity } // Get battery status as soon as it's available Battery.getStatus(function(status, error) { if(error) { console.error('Battery status is not supported'); return; } logBatteryStatus(status); }); // Register a handler to get notified when battery status changes Battery.onUpdate(logBatteryStatus);
Demo