The Scope of Variables in JavaScript

The Scope of Variables in JavaScript

Use strict mode
The “use strict” directive changes code into the mode that adheres to the up-to-date standard. It looks like the line “use strict” or ‘use strict’ and is placed at the beginning of the script:

Besides, the directive is used in functions. In such cases, a strict mode can be executed in function scope. The action “use strict” can’t be possibly canceled. It’s not supported by versions IE9 and older.

Welcome to BelVG ecommerce blog

Our blog is a place where we share some thoughts, news and guidelines of our company developers with you. Our main topics are Magento, Prestashop and Oxid – the platforms we have mastered.

Our goal is to provide really useful information to our readers – clients, developers and e-shop owners. Feel free to look around – if you are in any way related to e-commerce, we are sure you will find some articles to your taste and interests. Moreover – don’t hesitate to comment or ask a question on any topic you see. Our authors are certified Magento developers themselves and are ready to answer you.