What needs to be configured in PhpStorm so that the js code is highlighted normally?

Question

JavaScript

There is such a code, it is working, but phpstorm displays an error

function swalMask(title, action) {
      swal({
        title: title,
        type: "warning",
        confirmButtonText: "Да",
        cancelButtonText: "Нет",
        showCancelButton: true,
        closeOnConfirm: false,
        showLoaderOnConfirm: true
      }).then((result) => {
        if(result.value) {
            
            }
        });
    }

screen joxi.ru/Vm6KezeSxWvpY2
where you need to click, what would be displayed normally?

Answer 1

Settings > Languages ​​& Frameworks > JavaScript and select JavaScript version ECMAScript 6

Answer 2

so look at what it swears at, there should be a red highlight on the scrollbar on the right or when you hover over an error.