javascript - setTimeout not working, other methods of queuing in a for loop? -

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code below (the divs shaded in real example, want sequentially decrease opacity 0 each disappears, in order.

i tried doing without using settimeout, of divs disappeared simultaneously - know part of code changes opacity works, cant seem them work sequentially.

when try use settimeout (which presume implementing incorrectly),nothing happens!

any appreciated this, i'm new javascript , haven't touched in while , tutorials haven't been able me. 

<body>     <div id="div1"></div>     <div id="div2"></div>     <div id="div3"></div>     <div id="div4"></div>          <script type="text/javascript">     // divs want cycle through named here.     var divs = ["#div1", "#div2", "#div3", "#div4"];     var divslength = divs.length;             (var = 0; < divslength; i++) {             settimeout(function(){                $(divs[i]).fadeto(1000, 0, function() {                  });             },1500);         };        </script> </body>

here's way should able without settimeout:

function dofade(items, index) {     $(items[index]).fadeto(1000, 0, function() {         dofade(items, index + 1);     }); }  dofade(divs, 0);

if you're targetting browsers support es5 (most modern versions do), can further simplify dofade:

function dofade(items, index) {     $(items[index]).fadeto(1000, 0, dofade.bind(this, items, index + 1)); }

working jsfiddle


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