JAVASCRIPT

javascript on enter

var el = document.getElementById("textarea")

el.addEventListener("keydown", (e)=>{
	if(e.key === "Enter"){
    	// do something here
    }
})

javascript key pressed enter

$('.container').on('keydown', 'input', function(e) {
  if (e.keyCode === 13) {
    e.preventDefault();
  	e.stopImmediatePropagation();
    //Do your stuff...
  }
});