jquery - how to avoid mouse event conflict with timer -


my goal hover element on webpage, in case li tag, causing main image swap alternate one. while mouse hovers li tag, alternate image visible. alternate image remain visible n seconds after mouse has left li tag. initial hover action not triggered again until alternate image has swapped main image after n seconds.

my search far has lead me to: detect if hovering on element jquery. forked jsfiddle meligy , came this:

var $sample = $("#sample"); var $main = $("#main"); var $alt = $("#alt");  $alt.hide();  setinterval(function () {     if ($sample.is(":hover")) {         $main.hide();         $alt.show();     } else {         setinterval(function(){             $alt.hide();             $main.show();         },3000);     } }, 200);

also, jquery on hover animation fires multiple times , using fc's jsfiddle came happens surprisingly close.

var $hover = $("#hover"); var $main = $("#main"); var $alt = $("#alt");  $alt.hide();  $hover.hover(  function () {     $alt.stop(true, true).show();     $main.stop(true, true).hide(); },  function () {     $main.stop(true, true).show(2000);     $alt.stop(true, true).hide(2000); });

so far nearest thing have below after few hovers images flutter , forth uncontrollably.

var $hover = $("#hover"); var $main = $("#main"); var $alt = $("#alt");  $alt.hide();   $hover.hover(function () {     if ($main.is(":visible")) {         $main.hide();         $alt.show();     } }, function () {     setinterval(function () {          // attempted $main.is(":hidden")          if ($main.not(":visible")){             $alt.hide();             $main.show();         }     }, 3000); });

thanks everyone.

use timeout avoid behavior. cause is, interval (timeout too) fire, regardless of hover. have cancel running timeout/interval if leave/reenter element. made edits on code testing purposes:

var timer = null;  $hover.on('mouseenter', function () {     if (window.timer != null)         cleartimeout(window.timer);          $main.hide();         $alt.show(); });  $hover.on('mouseout', function () {     window.timer = settimeout(function () {         // attempted $main.is(":hidden")         $alt.hide();         $main.show();     }, 3000); });

the updated fiddle: https://jsfiddle.net/m18volel/5/


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