Thanks for the suggestions I have JS-OTP (One Time Password) loading now without the error or memory warning by editing out the ES6 default values. I cut and pasted the GIT hub code into the right hand IDE panel and uploaded it from there. I also removed any browser objects as the code was designed to work in browser.
But I hit a new issue with HMAC. (HMAC stands for Keyed-Hashing for Message Authentication) The hash features used by JS-OTP and TinyOTP expect a .hmac method on the hash object. The built in crypto libs do not have this feature.
I don't think I can implement HMAC so I am looking for an OTP implementation that is not using HMAC.
I will update here when I make progress.
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