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{ | ||
"stats": { | ||
"suites": 11, | ||
"tests": 9, | ||
"passes": 5, | ||
"pending": 0, | ||
"failures": 4, | ||
"start": "2022-08-13T09:23:35.377Z", | ||
"end": "2022-08-13T09:23:35.618Z", | ||
"duration": 241 | ||
}, | ||
"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": 1, | ||
"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": 1, | ||
"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": 1, | ||
"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": { | ||
"stack": "ReferenceError: prependCat is not defined\n at Context.<anonymous> (test/indexTest.js:57:9)\n at processImmediate (node:internal/timers:466:21)", | ||
"message": "prependCat is not defined" | ||
} | ||
}, | ||
{ | ||
"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": { | ||
"stack": "ReferenceError: removeLastCat is not defined\n at Context.<anonymous> (test/indexTest.js:65:9)\n at processImmediate (node:internal/timers:466:21)", | ||
"message": "removeLastCat is not defined" | ||
} | ||
}, | ||
{ | ||
"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": { | ||
"stack": "ReferenceError: removeFirstCat is not defined\n at Context.<anonymous> (test/indexTest.js:73:9)\n at processImmediate (node:internal/timers:466:21)", | ||
"message": "removeFirstCat is not defined" | ||
} | ||
} | ||
], | ||
"pending": [], | ||
"failures": [ | ||
{ | ||
"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": { | ||
"stack": "ReferenceError: prependCat is not defined\n at Context.<anonymous> (test/indexTest.js:57:9)\n at processImmediate (node:internal/timers:466:21)", | ||
"message": "prependCat is not defined" | ||
} | ||
}, | ||
{ | ||
"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": { | ||
"stack": "ReferenceError: removeLastCat is not defined\n at Context.<anonymous> (test/indexTest.js:65:9)\n at processImmediate (node:internal/timers:466:21)", | ||
"message": "removeLastCat is not defined" | ||
} | ||
}, | ||
{ | ||
"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": { | ||
"stack": "ReferenceError: removeFirstCat is not defined\n at Context.<anonymous> (test/indexTest.js:73:9)\n at processImmediate (node:internal/timers:466:21)", | ||
"message": "removeFirstCat is not defined" | ||
} | ||
} | ||
], | ||
"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": 1, | ||
"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": 1, | ||
"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": 1, | ||
"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": {} | ||
} | ||
] | ||
} |
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// Write your solution here! | ||
const cats = ["Milo", "Otis", "Garfield"]; | ||
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function destructivelyAppendCat() { | ||
return cats.push("Ralph"); | ||
} | ||
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function destructivelyPrependCat() { | ||
return cats.unshift("Bob"); | ||
} | ||
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destructivelyRemoveLastCat = () => { | ||
return cats.pop(-1); | ||
} | ||
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function destructivelyRemoveFirstCat() { | ||
return cats.splice(0, 1); | ||
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} | ||
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const newCats = [...cats] | ||
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function appendCat() { | ||
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return newCats.push('Broom'); | ||
} | ||
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