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finished removeFromArray.js exercise

This commit is contained in:
Denzel 2020-01-02 15:07:10 +08:00
parent 25625f266b
commit 300930e15a
2 changed files with 18 additions and 9 deletions
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15
removeFromArray/removeFromArray.js
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@ -1,5 +1,14 @@
const removeFromArray = function() { const removeFromArray = function(array, ...items) {
items.forEach(item => {
if (array.indexOf(item) >= 0) {
const index = array.indexOf(item);
array.splice(index, 1);
} else {
return
}
})
console.log(array);
return array;
} }
module.exports = removeFromArray module.exports = removeFromArray

12
removeFromArray/removeFromArray.spec.js
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@ -4,19 +4,19 @@ describe('removeFromArray', function() {
it('removes a single value', function() { it('removes a single value', function() {
expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]); expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]);
}); });
xit('removes multiple values', function() { it('removes multiple values', function() {
expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]); expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]);
}); });
xit('ignores non present values', function() { it('ignores non present values', function() {
expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]); expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]);
}); });
xit('ignores non present values, but still works', function() { it('ignores non present values, but still works', function() {
expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]); expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]);
}); });
xit('can remove all values', function() { it('can remove all values', function() {
expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]); expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]);
}); });
xit('works with strings', function() { it('works with strings', function() {
expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]); expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]);
}); });
}); });