<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src ="../js/jquery-3.2.1.js"></script>
</head>
<script>
$(function(){
$('img').attr('width',
function(index){
return(index+1)*100;
});
});
</script>
<body>
<img src = "../image/smile_01.png" >
<img src = "../image/smile_04.png" >
<img src = "../image/smile_05.png" >
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src ="../js/jquery-3.2.1.js"></script>
</head>
<script>
$(function(){
$('img').attr({
width: function(index){
return(index+1)*100;
},
height: 100
});
});
</script>
<body>
<img src = "../image/smile_01.png" >
<img src = "../image/smile_04.png" >
<img src = "../image/smile_05.png" >
</body>
</html>
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