Jquery Responsive @mediaqueries

script.js

$(document).ready(function($) {

  
    /* getting viewport width */
    var responsive_viewport = $(window).width();
    
    /* if is below 481px */
    if (responsive_viewport < 481) {
    
    } /* end smallest screen */
    
    /* if is larger than 481px */
    if (responsive_viewport > 481) {
        
    } /* end larger than 481px */
    
    /* if is above or equal to 768px */
    if (responsive_viewport >= 768) {
        
    }
    
    /* off the bat large screen actions */
    if (responsive_viewport > 1030) {
        
    }
    
});