javascript - Change clicked element (and all similar) to active / unactive -

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i had problem formulation of topic. sorry if duplicate question.

i have on dozen containers 2 childs.

<div class="some">    <img id="1" class="pointer unactive" />    <img id="2" class="pointer active" /> </div> <div class="some">    <img id="3" class="pointer unactive" />    <img id="4" class="pointer active" /> </div> <div class="some">    <img id="5" class="pointer unactive" />    <img id="6" class="pointer active" /> </div>

for example: when click img#3 want change other child (#1, #3, #5) active , clicked element , similes (#2, #4, #6) unactive.

let have class tells odd , even:

<div class="some">    <img id="1" class="pointer odd unactive" />    <img id="2" class="pointer active" /> </div> <div class="some">    <img id="3" class="pointer odd unactive" />    <img id="4" class="pointer active" /> </div> <div class="some">    <img id="5" class="pointer odd unactive" />    <img id="6" class="pointer active" /> </div>

now, when .even clicked, even have active , odd have inactive classes , vice-versa:

$(".even").click(function () {   $(".even").addclass("active").removeclass("unactive");   $(".odd").addclass("unactive").removeclass("active"); }); $(".odd").click(function () {   $(".odd").addclass("active").removeclass("unactive");   $(".even").addclass("unactive").removeclass("active"); });

note: please not use id values starting number.

working snippet

$(function () {    $(".even").click(function () {      $(".even").addclass("active").removeclass("unactive");      $(".odd").addclass("unactive").removeclass("active");    });    $(".odd").click(function () {      $(".odd").addclass("active").removeclass("unactive");      $(".even").addclass("unactive").removeclass("active");    });  });
.unactive {background: #f99; width: 50px; height: 50px;}  .active {background: #99f; width: 50px; height: 50px;}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <div class="some">     <img id="1" class="pointer odd unactive" />     <img id="2" class="pointer active" />  </div>  <div class="some">     <img id="3" class="pointer odd unactive" />     <img id="4" class="pointer active" />  </div>  <div class="some">     <img id="5" class="pointer odd unactive" />     <img id="6" class="pointer active" />  </div>


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