--- id: a24c1a4622e3c05097f71d67 title: Where do I Belong challengeType: 5 forumTopicId: 16094 dashedName: where-do-i-belong --- # --description-- Return the lowest index at which a value (second argument) should be inserted into an array (first argument) once it has been sorted. The returned value should be a number. For example, `getIndexToIns([1,2,3,4], 1.5)` should return `1` because it is greater than `1` (index 0), but less than `2` (index 1). Likewise, `getIndexToIns([20,3,5], 19)` should return `2` because once the array has been sorted it will look like `[3,5,20]` and `19` is less than `20` (index 2) and greater than `5` (index 1). # --hints-- `getIndexToIns([10, 20, 30, 40, 50], 35)` should return `3`. ```js assert(getIndexToIns([10, 20, 30, 40, 50], 35) === 3); ``` `getIndexToIns([10, 20, 30, 40, 50], 35)` should return a number. ```js assert(typeof getIndexToIns([10, 20, 30, 40, 50], 35) === 'number'); ``` `getIndexToIns([10, 20, 30, 40, 50], 30)` should return `2`. ```js assert(getIndexToIns([10, 20, 30, 40, 50], 30) === 2); ``` `getIndexToIns([10, 20, 30, 40, 50], 30)` should return a number. ```js assert(typeof getIndexToIns([10, 20, 30, 40, 50], 30) === 'number'); ``` `getIndexToIns([40, 60], 50)` should return `1`. ```js assert(getIndexToIns([40, 60], 50) === 1); ``` `getIndexToIns([40, 60], 50)` should return a number. ```js assert(typeof getIndexToIns([40, 60], 50) === 'number'); ``` `getIndexToIns([3, 10, 5], 3)` should return `0`. ```js assert(getIndexToIns([3, 10, 5], 3) === 0); ``` `getIndexToIns([3, 10, 5], 3)` should return a number. ```js assert(typeof getIndexToIns([3, 10, 5], 3) === 'number'); ``` `getIndexToIns([5, 3, 20, 3], 5)` should return `2`. ```js assert(getIndexToIns([5, 3, 20, 3], 5) === 2); ``` `getIndexToIns([5, 3, 20, 3], 5)` should return a number. ```js assert(typeof getIndexToIns([5, 3, 20, 3], 5) === 'number'); ``` `getIndexToIns([2, 20, 10], 19)` should return `2`. ```js assert(getIndexToIns([2, 20, 10], 19) === 2); ``` `getIndexToIns([2, 20, 10], 19)` should return a number. ```js assert(typeof getIndexToIns([2, 20, 10], 19) === 'number'); ``` `getIndexToIns([2, 5, 10], 15)` should return `3`. ```js assert(getIndexToIns([2, 5, 10], 15) === 3); ``` `getIndexToIns([2, 5, 10], 15)` should return a number. ```js assert(typeof getIndexToIns([2, 5, 10], 15) === 'number'); ``` `getIndexToIns([], 1)` should return `0`. ```js assert(getIndexToIns([], 1) === 0); ``` `getIndexToIns([], 1)` should return a number. ```js assert(typeof getIndexToIns([], 1) === 'number'); ``` # --seed-- ## --seed-contents-- ```js function getIndexToIns(arr, num) { return num; } getIndexToIns([40, 60], 50); ``` # --solutions-- ```js function getIndexToIns(arr, num) { arr = arr.sort((a, b) => a - b); for (let i = 0; i < arr.length; i++) { if (arr[i] >= num) { return i; } } return arr.length; } getIndexToIns([40, 60], 50); ```