javascript - Display different sizes image in mobile tablet and desktop resolution using jquery -


i using vegas slide full-width banner image shuffle function on page reload/refresh.

how set cropped image 3 different sizes desktop, tablet, , mobile single variable.?

below code, have achieved using below code. calling function simultaneously, guess it's not practice achieve. suggest me better solution.

// shuffle function   function shuffle(o) {      (var j, x, = o.length; i; j = math.floor(math.random() * i), x = o[--i], o[i] = o[j], o[j] = x);     return o;   };      // define backgrounds array   var bgimages = [{       src: "images/dbg1.jpg"     },     {       src: "images/dbg2.jpg"     },     {       src: "images/dbg3.jpg"     },   ]    var tabimages = [{       src: "images/tablet/tbg1.jpg"     },     {       src: "images/tablet/tbg2.jpg"     },     {       src: "images/tablet/tbg3.jpg"     },   ]    var mobimages = [{       src: "images/mobile/mbg1.jpg"     },     {       src: "images/mobile/mbg2.jpg"     },     {       src: "images/mobile/mbg3.jpg"     },   ]    var windowwidth = $(window).width();   if ($(window).width() >= 1024) {    // suffle array     randombgs = shuffle(bgimages);     $("body").vegas({       delay: 10000,       cover: true,       timer: false,       slides: randombgs     });      }    if ($(window).width() >= 768) {    // suffle array     randomtbg = shuffle(tabimages);     $("body").vegas({       delay: 10000,       cover: true,       timer: false,       slides: randomtbg     });   }    if ($(window).width() <= 767) {    // suffle array     randommbg = shuffle(mobimages);     $("body").vegas({       delay: 10000,       cover: true,       timer: false,       slides: randommbg     });   } 

$(window).resize(function() {   var windowwidth = $(window).width();   if ($(window).width() >= 1024) {     randombgs = shuffle(bgimages);   } else if($(window).width() >= 768) {     randomtbg = shuffle(tabimages);   } else {     randommbg = shuffle(mobimages);   }   $("body").vegas({     delay: 10000,     cover: true,     timer: false,     slides: randombgs   });    })

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