Input field with keyboard in mobile browser

Hi

I have been working on Webgl game, and my game have the input field for player enter their name before play. I was trying to find to way to open mobile keyboard in browser, and I was looking all information and try to find the way to use mobile keyboard.

I found this: https://github.com/dantasulisses/WebMobileInputFix
and https://github.com/kou-yeung/WebGLInput
After testing, it's work for android mobile, but not IOS mobile

Mostly, It's JavaScript work for opening keyboard in browser. but I'm rellay want to know there is the way for Webgl using keyboard browser in mobile.

thank you.