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<!DOCTYPE html>
<html lang="ko">
<head>
    <meta charset="utf-8">
    <script src="lib/jquery/2.2.4/jquery-2.2.4.min.js"></script>
</head>
<body>
    <p></p>
    <p></p>
    <p class='duplicate'>--</p>
    <p class='duplicate'>--</p>
    <p class='duplicate'>--</p>
    <p></p>
    <p></p>
 
    <div></div>
    <div></div>
    <div class="dup"></div>
    <div class="dup"></div>
    <div class="dup"></div>
    <div></div> 
    <div></div> 
 
    <script>
 
        var divs = $("div").get(); // DOM 요소 배열로 변환 
        console.log(divs);
        console.log($.isArray(divs)); // true
        divs = divs.concat($(".dup").get()); // 중복 요소를 배열에 추가 하였다.
        console.log(divs);
        divs = jQuery.unique(divs); // 중복 요소 제거  // unique 함수는 DOM 요소 배열로 변환 후 사용할 수 있다. 
        console.log(divs);
 
        /*
        // clone요소 중복제거 테스트 
        var divs = $("div"); 
        console.log(divs);
        var dup = $(".dup").clone(); // 일치하는 요소 집합의 깊은 복사(deep copy)를 한다.
        divs = divs.add(dup); // 확장집합에 clone요소 추가 // add 메서드는 새로운 확장집햅을 반환한다.
        console.log(divs);
        divs = jQuery.unique(divs.get()); // 중복 요소 제거  
        console.log(divs); // clone도 중복제거가 될줄 알았는데??? 안되네??? 왜냐면?? 깊은 복사(deep copy)가 되었기에..
        */
 
    </script>
 
</body>
</html>


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Posted by 힘없는염소