Примеры для jQuery .css()

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Get the background color of a clicked div.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>
  <style>
  div {
    width: 60px;
    height: 60px;
    margin: 5px;
    float: left;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<span id="result">&nbsp;</span>
<div style="background-color:blue;"></div>
<div style="background-color:rgb(15,99,30);"></div>
<div style="background-color:#123456;"></div>
<div style="background-color:#f11;"></div>
 
<script>
$( "div" ).click(function() {
  var color = $( this ).css( "background-color" );
  $( "#result" ).html( "That div is <span style='color:" +
    color + ";'>" + color + "</span>." );
});
</script>
 
</body>
</html>

Демонстрация:

Get the width, height, text color, and background color of a clicked div.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>
  <style>
  div {
    height: 50px;
    margin: 5px;
    padding: 5px;
    float: left;
  }
  #box1 {
    width: 50px;
    color: yellow;
    background-color: blue;
  }
  #box2 {
    width: 80px;
    color: rgb(255, 255, 255);
    background-color: rgb(15, 99, 30);
  }
  #box3 {
    width: 40px;
    color: #fcc;
    background-color: #123456;
  }
  #box4 {
    width: 70px;
    background-color: #f11;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<p id="result">&nbsp;</p>
<div id="box1">1</div>
<div id="box2">2</div>
<div id="box3">3</div>
<div id="box4">4</div>
 
<script>
$( "div" ).click(function() {
  var html = [ "The clicked div has the following styles:" ];
 
  var styleProps = $( this ).css([
    "width", "height", "color", "background-color"
  ]);
  $.each( styleProps, function( prop, value ) {
    html.push( prop + ": " + value );
  });
 
  $( "#result" ).html( html.join( "<br>" ) );
});
</script>
 
</body>
</html>

Демонстрация:

Change the color of any paragraph to red on mouseover event.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>
  <style>
  p {
    color: blue;
    width: 200px;
    font-size: 14px;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
  <p>Just roll the mouse over me.</p>
 
  <p>Or me to see a color change.</p>
 
<script>
$( "p" ).on( "mouseover", function() {
  $( this ).css( "color", "red" );
});
</script>
 
</body>
</html>

Демонстрация:

Increase the width of #box by 200 pixels the first time it is clicked.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>
  <style>
  #box {
    background: black;
    color: snow;
    width: 100px;
    padding: 10px;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<div id="box">Click me to grow</div>
 
<script>
$( "#box" ).one( "click", function() {
  $( this ).css( "width", "+=200" );
});
</script>
 
</body>
</html>

Демонстрация:

Highlight a clicked word in the paragraph.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>
  <style>
  p {
    color: blue;
    font-weight: bold;
    cursor: pointer;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<p>
  Once upon a time there was a man
  who lived in a pizza parlor. This
  man just loved pizza and ate it all
  the time.  He went on to be the
  happiest man in the world.  The end.
</p>
 
<script>
var words = $( "p" ).first().text().split( /\s+/ );
var text = words.join( "</span> <span>" );
$( "p" ).first().html( "<span>" + text + "</span>" );
$( "span" ).on( "click", function() {
  $( this ).css( "background-color", "yellow" );
});
</script>
 
</body>
</html>

Демонстрация:

Change the font weight and background color on mouseenter and mouseleave.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>
  <style>
  p {
    color: green;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<p>Move the mouse over a paragraph.</p>
<p>Like this one or the one above.</p>
 
<script>
$( "p" )
  .on( "mouseenter", function() {
    $( this ).css({
      "background-color": "yellow",
      "font-weight": "bolder"
    });
  })
  .on( "mouseleave", function() {
    var styles = {
      backgroundColor : "#ddd",
      fontWeight: ""
    };
    $( this ).css( styles );
  });
</script>
 
</body>
</html>

Демонстрация:

Increase the size of a div when you click it.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>css demo</title>
  <style>
  div {
    width: 20px;
    height: 15px;
    background-color: #f33;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<div>click</div>
<div>click</div>
 
<script>
$( "div" ).on( "click", function() {
  $( this ).css({
    width: function( index, value ) {
      return parseFloat( value ) * 1.2;
    },
    height: function( index, value ) {
      return parseFloat( value ) * 1.2;
    }
  });
});
</script>
 
</body>
</html>

Демонстрация: