javascript - Different intervals between images -

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i studying gcse computing , need able change interval between different images. code @ moment looks this...

<!doctype html>  <html>  <body>  <h1> traffic lights can change on own </h1>    <img src="red.jpg" id= "traffic" width="155" height="198">  <script>    var myimage = document.getelementbyid("traffic");     var imagearray = ["red.jpg", "red-orange.jpg", "green.jpg", "orange.jpg"];     var imageindex = 0;      function changeimage()   {    myimage.setattribute("src",imagearray[imageindex]);    imageindex++;    if (imageindex >= imagearray.length) {      imageindex = 0;   }    }    setinterval(changeimage,1000);    </script>  </body>  </html>+

if include of code whilst changing intervals ideal.

supposing want solve using javascript only:

source documentation

// save var timeoutid = window.settimeout(code, [delay]); var imagetimers = [500, 1000, 2000, 4000]; var timetochange = math.random() * 3000; // or whatever want use... var atimer = settimeout(changeimage, timetochange);  // on changeimage, alter timetochange var. function changeimage() {    // ...stuffs...    cleartimeout(atimer);    timetochange = imagetimers[imageindex];    atimer = settimeout(changeimage, timetochange); }

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