VoidVolker

class App {
    constructor() {
        this.history = []
    }
    getData() {
    }
}

2 скриншот - кнопка "Сбросить", которую я имею в виду

function run() {
    ...
    let distKm = parseInt(dist / 1000)
    ...
}

let distKm;
function run() {       
    ...
    distKm = parseInt(dist / 1000)
    ...
}

Object.defineProperty(window, 'arr',
    { 
        get: function() {
            if (!Array.isArray(window.__arr))
            {
                window.__arr = []
            }
            return window.__arr
        },
        set: function(arr) {
            window.__arr = arr
        } 
    }
)

NOTE: If you would rather not have the Command Center visible, you can right-click on the title bar and uncheck the Command Center entry in the dropdown to hide it.