IME for Unity WebGL ( Support TextMesh Pro from Unity2018.2 )
support “copy and paste”
support "tab" and "shift+tab" change focus to other InputField
support mobile. (Experiment)
https://unityroom.com/games/webglinput
1.download WebGLSupport.unitypackage and import to project
2.add "WebGLInput" Component to InputField GameObject
3.build and run!!
no need to setting anything.
Add "WEBGLINPUT_TAB" to Scripting Define Symbols.
and check "Enable Tab Text" at WebGLInput.