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Start your free trialGabbie Metheny
33,778 PointsSOLUTION: JavaScript recursive binary search
I noticed in the notes following this video, there's a binary_search
function for those following along in JavaScript, but no recursive_binary_search
. Wanted to provide mine, just in case it helps anyone! And if you're a JS dev struggling with recursion, here's my favorite video on the subject, courtesy of Fun Fun Function :)
function recursive_binary_search(list, target) {
if (list.length === 0) {
return false;
} else {
let midpoint = Math.floor(list.length / 2);
if (list[midpoint] === target) {
return true;
} else {
if (list[midpoint] < target) {
return recursive_binary_search(list.slice(midpoint + 1), target);
} else if (list[midpoint] > target) {
return recursive_binary_search(list.slice(0, midpoint), target);
}
}
}
}
6 Answers
Alexander Davison
65,469 PointsNice!
Heidi Mason
16,777 PointsThanks, Gabbie!
Thom Benjamin
10,494 PointsAwesome, thanks!
Unsubscribed User
Full Stack JavaScript Techdegree Graduate 24,339 PointsAmazing! Thanks for sharing!!
Neri Brkt
Courses Plus Student 268 PointsThanks
Melissa Preece
Full Stack JavaScript Techdegree Graduate 18,394 PointsThis is so great! Thanks