Why let, const didnt work in code playground?

Question

when i use "let" i got unexpected identifer and "const" make some error too

Answer 1

it's your device(old version of Android or system webview)

solution: share the code from the app to your web browser like chrome or Firefox and run the code there.

let and const work in CodePlayground
https://code.sololearn.com/WOavUEkujxNy/?ref=app

question similar to this
https://www.sololearn.com/Discuss/458981/why-this-demo-didn-t-run-as-expected

Answer 2

@David wrote: << their ide is not updated to es6 mayhaps >>

It's not the IDE itself, it's about the android webview version for the in app code playground, and depends of support of ES6 from each navigators/versions on website code playground ^^

Answer 3

their ide is not updated to es6 mayhaps

Answer 4

Android webview is kind of integrated browser in android API, to be able to display Html content...
So, you was not really wrong: in a general meaning, it's depends of your browser (but not on wich is installed/used on your android device).

Answer 5

Good to know, i thought that it only depend on my browser.
Thank you for the answers guys.