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callbacks.js
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34 lines (26 loc) · 998 Bytes
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const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
function firstItem(arr, cb) {
// firstItem passes the first item of the given array to the callback function.
}
function getLength(arr, cb) {
// getLength passes the length of the array into the callback.
}
function last(arr, cb) {
// last passes the last item of the array into the callback.
}
function sumNums(x, y, cb) {
// sumNums adds two numbers (x, y) and passes the result to the callback.
}
function multiplyNums(x, y, cb) {
// multiplyNums multiplies two numbers and passes the result to the callback.
}
function contains(item, list, cb) {
// contains checks if an item is present inside of the given array/list.
// Pass true to the callback if it is, otherwise pass false.
}
/* STRETCH PROBLEM */
function removeDuplicates(array, cb) {
// removeDuplicates removes all duplicate values from the given array.
// Pass the duplicate free array to the callback function.
// Do not mutate the original array.
}