I’m trying to arrange this array of products by categories. For now, I get the count of each category but I can’t figure out how to make this two dimension array output. This is my code for now: Answer You can group elements by reducing over the array using an object to store elements belonging to each category. To get
Tag: mapping
Write nested map function
I have an object like this: Expected output : And I already wrote a function like this: I can write another function to flatten the output of the code above, but is there any other way to write the code above into a more general function (not hardcoded) that can apply to any object? Answer You can use a recursive
How to dynamically populate list items in React
I’m setting up an image slider with thumbnail slider using this plugin in React.js: http://flexslider.woothemes.com/thumbnail-slider.html If I add the <li>s statically it works perfectly fine: However if I try to load the content dynamically, the inline styles that are dynamically calculated and added by the plugin code won’t be added to both ul and li elements (i.e width: 210px; margin-right:
Geolocation: Mapping and POI with OpenStreetMap
I’m making a website, where the visitor gets its position showed on a map and within a chosen radius (e.g. 10km) the visitor can see some POIs (e.g. Restaurants, Bars). I have this code so far: It shows me my position on a map with a marker using Google Maps. The thing is, I would like to use the maps