javascript - How to use setInterval -


on website want have 2 background images changing setinterval don't know how let work/

css: 

body {         padding-top: 20px;         padding-bottom: 40px;         background-image: url(/assets/img/image1.jpg), url(/assets/img/image2.jpg);         background-repeat: repeat-x, repeat;         -webkit-background-size: cover;         -moz-background-size: cover;         -o-background-size: cover;         background-size: cover;     }

.js:

$(document).ready(function () {      (function () {         var curimgid = 0;         var numberofimages = 2; // change number of background images         window.setinterval(function () {             $('body').css('background-image', 'url(/background' + curimgid + '.jpg)');             curimgid = (curimgid + 1) % numberofimages;         }, 15 * 1000);     })(); });

i need switch between image1.jpg , image2.jpg using setinterval

edit

i have change js to:

  $(document).ready(function () {         setinterval(function () {             $('body').toggleclass("/assets/style/background/images1.css", "/assets/style/background/images2.css");         }, 15000);     });

added 2 css classes:

images1.css:

body {      background-image: url(/assets/img/image1.jpg); }

images2.css:

body {      background-image: url(/assets/img/image2.jpg); }

but still background not changing

to simplify things, i'll have 2 css classes images want. set first class default , this:

$(document).ready(function () {     setinterval(function() {           $('body').toggleclass('class2');     }, 15000);  });

working demo


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