<style type="text/css">
.css_test {
border : 5px solid gray;
border-radius : 5px;
padding : 5px;
}
.css_test .on {
background : #FFDDED;
border-radius : 50%;
border : 3px solid red;
padding : 5px;
}
</style>
span 요소 안에 이미지가 있는것을 찾아봅니다.<br><br>
<button type="button"
onclick="j_test()">눌러보세용</button>
<div class="css_test">
<span>
<img src="//superkts.com/img/css/dog061.gif" />
</span>
<span>
<img src="//superkts.com/img/css/cat051.gif" />
</span>
<span>
jQuery 공작소 !!
</span>
</div>
<script type="text/javascript">
function j_test(){
$( '.css_test span' )
.has( 'img' ).addClass( 'on' );
setTimeout(function(){
$( '.css_test span' )
.has( 'img' ).removeClass( 'on' );
}, 1000);
}
</script>