- Numeric separators.
- String replaceAll.
- Logical assignment operator. And & Equals (&&=) OR & Equals (||=) Nullish Coalescing & Equals (??=)
- Private class methods.
- Private Getters and setters.
Is jQuery dead?
js. When I posed the question of which JS framework to learn first—both internally to Skillcrush developers and externally to other JS pros—Vue. js was consistently mentioned as a solid option. Although Vue was first released in 2014, its popularity has skyrocketed over the past couple of years.
Map is a collection of elements where each element is stored as a Key, value pair. Map object can hold both objects and primitive values as either key or value. When we iterate over the map object it returns the key, value pair in the same order as inserted.
The introduction of the ES6 specification lists all new features: Some of [ECMAScript 6’s] major enhancements include modules, class declarations, lexical block scoping, iterators and generators, promises for asynchronous programming, destructuring patterns, and proper tail calls.
Can I use ES7?
Mozilla has some info on their website, it is possible to see that ES7 and ES8 are fully supported, ES9 still has some problems and ES10 is supported on the latest versions.
What is ECMAScript latest?
10th Edition – ECMAScript 2019
The 10th edition, or ECMAScript 2019, was published in June 2019.