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Array Lab #48

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a12d4de
Completed assignment
ekanarek Feb 15, 2024
e72a6f1
Remove previous solutions
ekanarek May 6, 2025
01945b4
Destructively append names to cats array
ekanarek May 6, 2025
6282c00
Destructively prepend names to cats array
ekanarek May 6, 2025
068fa13
Destructively remove last name from cats array
ekanarek May 6, 2025
ada0854
Destructively remove first name from cats array
ekanarek May 6, 2025
981bca2
Append and prepend names to new array
ekanarek May 6, 2025
755ffd4
Non-destructively remove first or last cat from array
ekanarek May 6, 2025
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144 changes: 144 additions & 0 deletions .results.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,144 @@
{
"stats": {
"suites": 11,
"tests": 9,
"passes": 9,
"pending": 0,
"failures": 0,
"start": "2025-05-06T17:06:00.217Z",
"end": "2025-05-06T17:06:00.322Z",
"duration": 105
},
"tests": [
{
"title": "is assigned an initial value of [\"Milo\", \"Otis\", \"Garfield\"]",
"fullTitle": "index.js cats is assigned an initial value of [\"Milo\", \"Otis\", \"Garfield\"]",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "appends a cat to the end of the cats array",
"fullTitle": "index.js Array functions destructivelyAppendCat(name) appends a cat to the end of the cats array",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "prepends a cat to the beginning of the cats array",
"fullTitle": "index.js Array functions destructivelyPrependCat(name) prepends a cat to the beginning of the cats array",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "removes the last cat from the cats array",
"fullTitle": "index.js Array functions destructivelyRemoveLastCat() removes the last cat from the cats array",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "removes the first cat from the cats array",
"fullTitle": "index.js Array functions destructivelyRemoveFirstCat() removes the first cat from the cats array",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "appends a cat to the cats array and returns a new array, leaving the cats array unchanged",
"fullTitle": "index.js Array functions appendCat(name) appends a cat to the cats array and returns a new array, leaving the cats array unchanged",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "prepends a cat to the cats array and returns a new array, leaving the cats array unchanged",
"fullTitle": "index.js Array functions prependCat(name) prepends a cat to the cats array and returns a new array, leaving the cats array unchanged",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "removes the last cat in the cats array and returns a new array, leaving the cats array unchanged",
"fullTitle": "index.js Array functions removeLastCat() removes the last cat in the cats array and returns a new array, leaving the cats array unchanged",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "removes the first cat from the cats array and returns a new array, leaving the cats array unchanged",
"fullTitle": "index.js Array functions removeFirstCat() removes the first cat from the cats array and returns a new array, leaving the cats array unchanged",
"duration": 0,
"currentRetry": 0,
"err": {}
}
],
"pending": [],
"failures": [],
"passes": [
{
"title": "is assigned an initial value of [\"Milo\", \"Otis\", \"Garfield\"]",
"fullTitle": "index.js cats is assigned an initial value of [\"Milo\", \"Otis\", \"Garfield\"]",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "appends a cat to the end of the cats array",
"fullTitle": "index.js Array functions destructivelyAppendCat(name) appends a cat to the end of the cats array",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "prepends a cat to the beginning of the cats array",
"fullTitle": "index.js Array functions destructivelyPrependCat(name) prepends a cat to the beginning of the cats array",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "removes the last cat from the cats array",
"fullTitle": "index.js Array functions destructivelyRemoveLastCat() removes the last cat from the cats array",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "removes the first cat from the cats array",
"fullTitle": "index.js Array functions destructivelyRemoveFirstCat() removes the first cat from the cats array",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "appends a cat to the cats array and returns a new array, leaving the cats array unchanged",
"fullTitle": "index.js Array functions appendCat(name) appends a cat to the cats array and returns a new array, leaving the cats array unchanged",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "prepends a cat to the cats array and returns a new array, leaving the cats array unchanged",
"fullTitle": "index.js Array functions prependCat(name) prepends a cat to the cats array and returns a new array, leaving the cats array unchanged",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "removes the last cat in the cats array and returns a new array, leaving the cats array unchanged",
"fullTitle": "index.js Array functions removeLastCat() removes the last cat in the cats array and returns a new array, leaving the cats array unchanged",
"duration": 0,
"currentRetry": 0,
"err": {}
},
{
"title": "removes the first cat from the cats array and returns a new array, leaving the cats array unchanged",
"fullTitle": "index.js Array functions removeFirstCat() removes the first cat from the cats array and returns a new array, leaving the cats array unchanged",
"duration": 0,
"currentRetry": 0,
"err": {}
}
]
}
34 changes: 33 additions & 1 deletion index.js
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Original file line number Diff line number Diff line change
@@ -1 +1,33 @@
// Write your solution here!
const cats = ["Milo", "Otis", "Garfield"];

function destructivelyAppendCat(name) {
return cats.push(name);
}

function destructivelyPrependCat(name) {
return cats.unshift(name);
}

function destructivelyRemoveLastCat() {
return cats.pop();
}

function destructivelyRemoveFirstCat() {
return cats.shift();
}

function appendCat(name) {
return [...cats, name];
}

function prependCat(name) {
return [name, ...cats];
}

function removeLastCat() {
return cats.slice(0, cats.length - 1);
}

function removeFirstCat() {
return cats.slice(1);
}