How to have these buttons clicked automatically at an interval jquery -

    <button class="sitebutton bigbutton" onclick="setcategory('123456');"><span>save</span></button> <button class="sitebutton bigbutton" onclick="setcategory('123455');"><span>save</span></button> <button class="sitebutton bigbutton" onclick="setcategory('123454');"><span>save</span></button> <button class="sitebutton bigbutton" onclick="setcategory('123453');"><span>save</span></button> 

how click on save button using jquery after interval maybe of 0.5 seconds

try using setinterval()

var buttons = $('.sitebutton');  var len = buttons.length,    = 0;    var interv = setinterval(function() {    buttons.eq(i++).click();    if (i == len)      clearinterval(interv);  },1000);      function setcategory(v) {    alert(v);  }

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>  <button class="sitebutton bigbutton" onclick="setcategory('123456');"><span>save</span>  </button>  <button class="sitebutton bigbutton" onclick="setcategory('123455');"><span>save</span>  </button>  <button class="sitebutton bigbutton" onclick="setcategory('123454');"><span>save</span>  </button>  <button class="sitebutton bigbutton" onclick="setcategory('123453');"><span>save</span>  </button>