javascript - Loading a background-color for a div when page is loaded -

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i wrote simple code i'm trying load background-color div when page loads. here code: 

<div id="offerone">     <img src="images/images.jpg" class="img-responsive center-block" alt="img"> </div>

javascript: 

<script type="text/javascript">     $('#offerone').attr('style', 'background-color: #f12 !important'); </script>

but isn't loading background-color div when page loads. how can it?

you should put code inside dom ready,

$(function(){   $('#offerone').attr('style', 'background-color: #f12 !important'); })

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