Sublime 3 - how to make memorize class/variable names?

Question

HTML

those. so that if I enter once the name of a certain class in the document, then if I enter, for example, the first two letters of this name, then it will be suggested (autocomplete / autocomplete) with this word. What plugin is needed?

Answer 1

He seems to be able to out of the box, only you need to specify the document / syntax.