lifeeth

#!/bin/bash
# /etc/init.d/selenium
# debian-compatible selenium-grid startup script.
# Based on jenkins startups
# Praneeth Bodduluri <lifeeth[at]gmail.com>
# update-rc.d -n -f selenium start 90 2 3 4 5 . stop 10 0 1 6 .
### BEGIN INIT INFO
# Provides:          selenium-grid
# Required-Start:    $remote_fs $syslog $network
# Required-Stop:     $remote_fs $syslog $network

xavi-

Instructions

• Solve all problems using JavaScript

Problems

1. Write a function that returns an array with the first n powers of 2. Call it twoPow.

2. Use twoPow and Array.prototype.reduce to the sum of the first 10 powers of 2.

3. Describe this call signature:

xavi-

// For each of the following code fragments:
//  a. what does the code do?
//  b. what did the author intend for it to do?
//  c. how would you fix it?
// NOTE: all code samples work exactly the same in all browsers

// 1. object literals
var data = [ { high: 100, low: 81 }, { high: 93, low: 73 }, { high: 60, low: 32 } ];
function getAverages(data) {
    var avgs = [];