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middle.js
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middle.js
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//assertEqual function
const assertEqual = function(actual, expected) {
if (actual === expected) {
console.log(`🌈 🏆 Assertion Passed:${actual}===${expected}`);
} else {
console.log(`💣 💣 Assertion Failed: ${actual}!==+${expected}`);
}
};
const eqArrays = function(arr1, arr2) {
if (arr1.length !== arr2.length) {
return false;
}
for (let i = 0; i < arr1.length; i++) {
if (arr1[i] !== arr2[i]) {
return false;
}
}
return true;
};
///assertArraysEqual
const assertArraysEqual = function(arr1, arr2) {
if (arr1.length !== arr2.length)
return console.log(`💣 💣 Array Length is not the same: ${arr1}!== ${arr2}`);
for (let i = 0; i < arr1.length; i++)
if (arr1[i] !== arr2[i])
return console.log(`💣 💣 Array Order is not the same: ${arr1}!== ${arr2}`);
return console.log(`🌈 🏆 Looks the Same!: ${arr1} === ${arr2}`);
};
// ACTUAL FUNCTION
const middle = function(array) {
let middleArray = [];
if (array.length < 3) {
return middleArray;
}
if (array.length % 2 !== 0) {
let i = (array.length - 1) / 2;
middleArray.push(array[i]);
} else {
let i = (array.length) / 2;
middleArray.push(array[i - 1]);
middleArray.push(array[i]);
}
return middleArray;
};
console.log(middle([1])); // => []
console.log(middle([1, 2])); // => []
console.log(middle([1, 2, 3])); // => [2]
console.log(middle([1, 2, 3, 4, 5])); // => [3]
console.log(middle([1, 2, 3, 4])); // => [2, 3]
console.log(middle([1, 2, 3, 4, 5, 6])); // => [3, 4]