2.2 KiB
2.2 KiB
id | title | isRequired | challengeType | videoUrl | localeTitle |
---|---|---|---|---|---|
adf08ec01beb4f99fc7a68f2 | Falsy Bouncer | true | 5 | Falsy Bouncer |
Description
false
en JavaScript son false
, null
, 0
, ""
, undefined
y NaN
. Sugerencia: intente convertir cada valor a un booleano. Recuerda usar Read-Search-Ask si te atascas. Escribe tu propio código. Instructions
Tests
tests:
- text: '<code>bouncer([7, "ate", "", false, 9])</code> debe devolver <code>[7, "ate", 9]</code> .'
testString: 'assert.deepEqual(bouncer([7, "ate", "", false, 9]), [7, "ate", 9], "<code>bouncer([7, "ate", "", false, 9])</code> should return <code>[7, "ate", 9]</code>.");'
- text: '<code>bouncer(["a", "b", "c"])</code> debe devolver <code>["a", "b", "c"]</code> .'
testString: 'assert.deepEqual(bouncer(["a", "b", "c"]), ["a", "b", "c"], "<code>bouncer(["a", "b", "c"])</code> should return <code>["a", "b", "c"]</code>.");'
- text: '<code>bouncer([false, null, 0, NaN, undefined, ""])</code> debe devolver <code>[]</code> .'
testString: 'assert.deepEqual(bouncer([false, null, 0, NaN, undefined, ""]), [], "<code>bouncer([false, null, 0, NaN, undefined, ""])</code> should return <code>[]</code>.");'
- text: '<code>bouncer([1, null, NaN, 2, undefined])</code> debe devolver <code>[1, 2]</code> .'
testString: 'assert.deepEqual(bouncer([1, null, NaN, 2, undefined]), [1, 2], "<code>bouncer([1, null, NaN, 2, undefined])</code> should return <code>[1, 2]</code>.");'
Challenge Seed
function bouncer(arr) {
// Don't show a false ID to this bouncer.
return arr;
}
bouncer([7, "ate", "", false, 9]);
Solution
// solution required