let and ecma6 javascript

Question

Why using let gives me error all the time in the javascript code playground?

Answer 1

Update your webview

Answer 2

Could share your code

Answer 3

https://stackoverflow.com/questions/2356830/what-browsers-currently-support-javascripts-let-keyword

Answer 4

Muhammadamin It is an error that occurs in all example code in ecs6 part of javascript course.