function normalizeKeyValue(value) {
    switch (value) {
        case 'Spacebar':
            return ' ';
        case 'Esc':
            return 'Escape';
        case 'Del':
            return 'Delete';
        case 'Left':
            return 'ArrowLeft';
        case 'Right':
            return 'ArrowRight';
        case 'Down':
            return 'ArrowDown';
        case 'Up':
            return 'ArrowUp';
        default:
            return value;
    }
}
// remove this function when IE11 support is dropped
remove this function when IE11 support is dropped
remove this function when IE11 support is dropped
function normalizeKeyValue(value) {
    switch (value) {
        case 'Spacebar':
            return ' ';
        case 'Esc':
            return 'Escape';
        case 'Del':
            return 'Delete';
        case 'Left':
            return 'ArrowLeft';
        case 'Right':
            return 'ArrowRight';
        case 'Down':
            return 'ArrowDown';
        case 'Up':
            return 'ArrowUp';
        default:
            return value;
    }
}
function normalizeKeyValue ( value ) { switch ( value ) { case 'Spacebar' : return ' ' ; case 'Esc' : return 'Escape' ; case 'Del' : return 'Delete' ; case 'Left' : return 'ArrowLeft' ; case 'Right' : return 'ArrowRight' ; case 'Down' : return 'ArrowDown' ; case 'Up' : return 'ArrowUp' ; default : return value ; } }
remove this function when IE11 support is dropped
remove this function when IE11 support is dropped