Switch statement in Javascript

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const zoom = 4;
let images_in_row;
switch(zoom){
    case 1:
        images_in_row = 1;
        break;
    case 2:
        images_in_row = 2;
        break;
    case 3:
        images_in_row = 3;
        break;
    case 4:
        images_in_row = 4;
        break;
    case 5:
        images_in_row = 6;
        break;
    case 6:
        images_in_row = 12;
        break;
}