/
middle.js
59 lines (53 loc) · 1.56 KB
/
middle.js
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const assertArraysEqual = function(array1, array2) {
if (array1.length !== array2.length) {
return (`Assertion Failed: ${array1} !== ${array2}`);
}
for (let i = 0; i < array1.length; i++){
if ((array1[i] !== array2[i])) {
return (`Assertion Failed: ${array1} !== ${array2}`);
}
}
return (`Assertion Passed: ${array1} === ${array2}`);
}
/*
console.log(assertArraysEqual([1, 2, 3], [1, 2, 3]))
console.log(assertArraysEqual([1, 2, 3], [3, 2, 1]))
console.log(assertArraysEqual(["1", "2", "3"], ["1", "2", "3"]))
console.log(assertArraysEqual(["1", "2", "3"], ["1", "2", 3]))
*/
const eqArrays = function(array1, array2) {
if (array1.length !== array2.length) {
return false;
}
for (let i = 0; i < array1.length; i++){
if ((array1[i] !== array2[i])) {
return false;
}
}
return true;
}
/*
console.log(eqArrays([1, 2, 3], [1, 2, 3]))
console.log(eqArrays([1, 2, 3], [3, 2, 1]))
console.log(eqArrays(["1", "2", "3"], ["1", "2", "3"]))
console.log(eqArrays(["1", "2", "3"], ["1", "2", 3]))
*/
// ACTUAL FUNCTION
const middle = function(array) {
let middleOfArray = [];
if (array.length <= 2) {
return middleOfArray
}
else if (array.length %2 === 0) {
return [array [(array.length / 2) - 1], array[array.length / 2]];
}
else
{
return [array[(array.length - 1) / 2]];
}
}
// TEST CODE
// ...
assertArraysEqual(middle([1, 2, 3]), [1, 2, 3]);
assertArraysEqual(middle(["time", "glass"]), ["time", "glass"])
assertArraysEqual(middle(["go", "to","the","park"]), [["go", "to","the","park"]])