Phn III this & Nguyên mu i tng Chng 1: this hay là That SeanDang. Hoisting Chng 5: Scope Closure Ph lc A: Scope ng Ph lc B: Polyfilling Block Scope Ph lc C: Lexical-this. If youre developing a library on the other hand, please take a moment to consider if you actually need. YOU DON’T KNOW JS (TING VIT) Phn I Khi u. What use is there to hoisting variables that you cant do without. jQuery and its cousins are great, and by all means use them if it makes it easier to develop your application. I understand (now) that JS is a two pass system, it compiles and then executes.

With Ionic 4 Succinctly, Ed Freitas will focus on progressive web apps and show you how you can use Ionic 4 to build one, using Vue as the JavaScript framework. You certainly can support IE 9 and below without jQuery, but we dont. The increased performance of Ionic 4 components makes the framework ideal for developing progressive web apps (PWAs), which are in high demand and popularity these days. With Ionic 4 Succinctly, Ed Freitas will focus on progressive web apps and show you how you can use Ionic 4 to build one, using Vue as the JavaScript framework.Ionic 4 takes the original Ionic toolkit from a mobile-centric framework based on Angular to a powerful, web-based UI design system and app-development toolset that is JavaScript-framework agnostic. Ionic 4 takes the original Ionic toolkit from a mobile-centric framework based on Angular to a powerful, web-based UI design system and app-development toolset that is JavaScript-framework agnostic.

You dont know js hoisting