TTotal up the instances of items in an array.

TTagged template literals

ES6 TIP: Often forgotten Use tagged template literals to run a template string through a function.

UUtility Class

ES6 TIP: Create utility functions by using static methods, used without instantiating their class.

TTemplate literals

Template literals can be great for creating markup

cconsole.log passed function argument

ES6 TIP: console.log passed value, when using implicit arrow function return

IImplicit return object

ES5 ES6

CConvert object to array

JavaScript TIP: Convert object to array

cconsole.log groups

Tidy up your console logos by grouping relevant logs together

EEnforce required parameters