jQuery css() set CSS property value via function

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jQuery css() set CSS property value via function

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<!DOCTYPE html>
<html>
<head>
<script 
 src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
</script>/*  w  w  w. ja  v a 2 s .  co  m*/
<script>
$(document).ready(function(){
  $("button").click(function(){
    $("p").css("border-width", function(i){
      return i + 25;
    });
  });
});
</script>
</head>
<body>
<button>Change the border-width property of the p element</button>
<p style="border: 1px solid black;">This is a paragraph.</p>
</body>
</html>



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