[jQuery] addClass - each문 처럼 활용

jQuery
[jQuery] addClass - each문 처럼 활용

힘없는염소 2014. 12. 25. 19:12
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<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="utf-8">
<script src="js/jquery.js"></script>
<style>
    .red {
        background: red;
    }
    .red.green {
        background: green;
    }
</style>
</head>
    <body>
 
        <div>1번째</div>
        <div class="red">2번째</div>        
        <div>3번째</div>            
        <div class="red">4번째</div>        
        <div>5번째</div>
        <div>6번째</div>
 
    </body>
    <script>
 
        var $addClass;
        
        // each문 처럼 활용이 가능하다.
        $("div").addClass(function(index, currentClass) {
            
            console.log(index);
            console.log(currentClass);
 
            if (currentClass == "red") {  // 현재 class가 red이면 (각각의 div 클래스 확인)
                $addClass = "green";    // green class 추가
            }
            
            return $addClass;
        });
 
    </script>
</html>
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