Created
June 11, 2017 21:52
-
-
Save austinreuter/d30f4151dee82339fa7521efdba96eae to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
//so, Scrimba had uneccessary "unexpected token" errors that do not exist on replit. Lots of time spent debugging things that don't need debugging | |
console.log('dog'); | |
var each = function(collection, callback) { | |
if (Array.isArray(collection)) { | |
for (var i = 0; i < collection.length; i++) { | |
callback(collection[i], i, collection); | |
} | |
} else { | |
for (var key in collection) { | |
callback(collection[key], key, collection); | |
} | |
} | |
}; | |
/* | |
Issues of 'each'; | |
1)'typeof' array, not properly defined by JS, array is "typeof" object => Array.isArray(collection) to access array definition | |
2) iterator: not defined => callback | |
*/ | |
function assertObjectEqual(actual, expected, testName) { | |
actual = JSON.stringify(actual); | |
expected = JSON.stringify(expected); | |
if (actual === expected) { | |
console.log('passed'); | |
} else { | |
console.log('FAILED [' + testName + '] Expected "' + expected + '", but got "' + actual + '"'); | |
} | |
} | |
// create function; | |
// input (object "name" prop; string name;) (lower) (upper); | |
// if obj; if obj name; add property "age": random number in range of two age groups, inclusive, exclusive outerrange; | |
// if string: create obj with "name" = string input, age prop, within range; | |
// if not obj "name", return undefined; | |
function addRandomAgeInclusive(person, lower, upper) { | |
//if object | |
//if upper is < lower; return person; | |
if (upper < lower) { | |
return person; | |
} | |
if (typeof person === 'object') { | |
//if name; | |
if (person.hasOwnProperty('name')) { | |
person.age = randomAge(lower, upper); | |
//add age: as random inclusive number | |
return person; | |
} | |
//if not name, return undefined; | |
return undefined; | |
} | |
var ouput = {}; | |
output.name = person; | |
output.age = randomAge(lower, upper); | |
return output; | |
//if not object; | |
//create object | |
//add age = person; | |
//add age: as random inclusive number | |
} | |
function randomAge(lower, upper) { | |
//Math.random : random(0,1) | |
//Math.floor : integer | |
//range lower and upper | |
return Math.floor(Math.random() * (upper - lower) + 1) + lower - 1; | |
} | |
var upper = 12; | |
var lower = 10; | |
console.log(randomAge(10, 12)); | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment