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First solution in Clear category for Remove All Before by EvgNikitin
import assert from "assert";
function removeAllBefore(values: number[], b: number): number[] {
const index = values.indexOf(b);
if (index === 0 || index === -1) {
return values;
}
return values.slice(index);
}
console.log('Example:');
console.log(removeAllBefore([1, 2, 3, 4, 5], 3));
// These "asserts" are used for self-checking
assert.deepEqual(removeAllBefore([1, 2, 3, 4, 5], 3), [3, 4, 5]);
assert.deepEqual(removeAllBefore([1, 1, 2, 2, 3, 3], 2), [2, 2, 3, 3]);
assert.deepEqual(removeAllBefore([1, 1, 2, 4, 2, 3, 4], 2), [2, 4, 2, 3, 4]);
assert.deepEqual(removeAllBefore([1, 1, 5, 6, 7], 2), [1, 1, 5, 6, 7]);
assert.deepEqual(removeAllBefore([], 0), []);
assert.deepEqual(removeAllBefore([7, 7, 7, 7, 7, 7, 7, 7, 7], 7), [7, 7, 7, 7, 7, 7, 7, 7, 7]);
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April 26, 2020
