The purpose of Unicode consortium is to make emoji as a standard characters used uniform on all devices and languages. Without having keys on your keyboard, let us see how you can insert the emoji in HTML. However, desktop keyboards don’t have dedicated keys for each emoji symbol.
On iOS and Android mobile keyboards, you can switch the keyboard layout to insert emoji.
If you are a web developer, blogger or site owner, it is also possible to insert emoji in HTML like any other text content. Though initially young people use emoji in informal chat and instant messaging conversations, nowadays it has become common to use emoji in formal communication. Emoji are the for the past thirty years and became extremely popular with the use of smartphones.