[jquery] 문서 객체의 속성 추가 -attr()

개발 Programming/JQUERY|2018. 8. 28. 17:37

$(selector).attr(name,value);  매개변수 속성이름,값

$(selector).attr(name, function(index,attr){});

$(selector).attr(object);

<html>
    <head>
        <script src='https://code.jquery.com/jquery-3.3.1.js'></script>
        <script>
                $(document).ready(function(){
                    $('img').attr('width',200);
                })
        </script>
    </head>
    <body>
        <img src="test1.jpg" />
        <img src="test2.jpg" />
        <img src="test3.jpg" />
    </body>
</html>


<html>
    <head>
        <script src='https://code.jquery.com/jquery-3.3.1.js'></script>
        <script>
                $(document).ready(function(){
                    $('img').attr('width',200);

                    $('img').attr('width',function(index){
                        return (index+1) * 100;
                    });
                });
        </script>
    </head>
    <body>
        <img src="test1.jpg" />
        <img src="test2.jpg" />
        <img src="test3.jpg" />
    </body>
</html>


<html>
    <head>
        <script src='https://code.jquery.com/jquery-3.3.1.js'></script>
        <script>
                $(document).ready(function(){
                    //1번 방법
                    //$('img').attr('width',200);
                    //2번 방법
                    /*$('img').attr('width',function(index){
                        return (index+1) * 100;
                    }); */
                    //3번 방법
                    $('img').attr({
                        'width':function(index){
                            return (index+1) * 100;
                        },
                        height:100

                    });

                });
        </script>
    </head>
    <body>
        <img src="test1.jpg" />
        <img src="test2.jpg" />
        <img src="test3.jpg" />
    </body>
</html>



댓글()