Map – Niels Lange

JavaScript30 – Day 18

In today’s exercise, I learned how to fetch all video lengths from a site and calculate the total duration of all videos. The exercise was mainly based on the functions map() and reduce(). The final code can be found on Day 18 – Adding Up Times with Reduce.

Resources:

Array.from()
Array.prototype.map()
Array.prototype.reduce()
Math.floor()

JavaScript30 – Day 17

Another day, another exercise. Today, how to sort arrays without while ignoring the articles of the corresponding title. The exercise required a combination of replacing, sorting and mapping and the final code can be found on Day 17 – Sort Without Articles.

Resources:

Array.prototype.join()
Array.prototype.map()
Array.prototype.sort()
String.prototype.replace()
String.prototype.trim()

JavaScript30 – Day 6

In today’s lesson, I learned how to create an AJAX dynamic search using JavaScript. We worked with a JSON list with American cities and after providing a search string, the application returned all matching results.

Resources:

JS Event Listener
JS Fetch
JS Filter
JS Map
JS Push
JS Promise
JS RegExp
JS Replace
JS Query Selector

JavaScript30 – Day 4

Today, Wes explained various NodeList and array functions. The final code can be found on 04 – Array Cardio Day 1.

References:

NodeList
Array
Array.prototype.filter()
Array.prototype.map()
Array.prototype.sort()
Array.prototype.reduce()