Advent Of Code - Day 1

var up = '('
var down = ')'
var floor = 0
var turn = 0

$.get('http://adventofcode.com/day/1/input').success(function(data){
var t0 = performance.now()
var data = data.toString()
for(var i = 0; i < data.length; i++){
turn = turn + 1
if(data.charAt(i)==up){
floor = floor + 1
}
if(data.charAt(i)==down){
floor = floor - 1
}
if(floor==-1){
console.log('Part 2: ' + turn)
}
}
var t1 = performance.now()
var timetaken = t1 - t0 + ' milliseconds'
console.log('Floor: ' + floor + '\n' + 'Completed in: ' + timetaken)
})