function interactionScreen(){
   if ($(window).width() > 970) {
      do something..
   } else if ($(window).width() < 970) {
      do something..
   }
}

interactionScreen();

$(window).resize(function() {
   interactionScreen();
});

var interactionScreen = (function(window) {
    var timer,
        w = $(window);

    return function(executeImmediately) {
        clearTimeout(timer);

        timer = setTimeout(function() {
                    var currentWidth = w.width();

                    if (currentWidth > 970) {
                        console.log("> 970");
                    } else {
                        console.log("<= 970");
                    }
                }, executeImmediately ? 0 : 200);
    };
}(window));

interactionScreen(true);

window.addEventListener("resize", function() {
    interactionScreen();
});