add event enter js code example

Example 1: javascript enter event listener

document.querySelector('#txtSearch').addEventListener('keypress', function (e) {
    if (e.key === 'Enter') {
      // code for enter
    }
});

Example 2: evento tecla enter javascript

$(document).keypress(function(e) {
       if(e.which == 13) {
           alert('You pressed enter!');
       }
});