upm/examples/javascript/button.js

/*
 * Author: Sarah Knepper <sarah.knepper@intel.com>
 * Copyright (c) 2014 Intel Corporation.
 *
 * This program and the accompanying materials are made available under the
 * terms of the The MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 */

// Load UPM module
var upm = require('jsupm_button');

// Create the button object using GPIO pin 0
var button = new upm.Button(0);

// Read the input and print, waiting one second between readings
function readButtonValue() {
    console.log(button.name() + " value is " + button.value());
}
setInterval(readButtonValue, 1000);