Enum - Javascript

    const VARIABLE_NAME = {
        KEY_1: "value 1",
        KEY_2: "value 2",
        KEY_3: "value 3"
    }

    const VARIABLE_NAME = Object.freeze({
        KEY_1: "value 1",
        KEY_2: "value 2",
        KEY_3: "value 3"
    })

    let var = VARIABLE_NAME.KEY_1;