Примеры для jQuery .height()

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Show various heights. Note the values are from the iframe so might be smaller than you expected. The yellow highlight shows the iframe body.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>height demo</title>
  <style>
  body {
    background: yellow;
  }
  button {
    font-size: 12px;
    margin: 2px;
  }
  p {
    width: 150px;
    border: 1px red solid;
  }
  div {
    color: red;
    font-weight: bold;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<button id="getp">Get Paragraph Height</button>
<button id="getd">Get Document Height</button>
<button id="getw">Get Window Height</button>
 
<div>&nbsp;</div>
<p>
  Sample paragraph to test height
</p>
 
<script>
function showHeight( element, height ) {
  $( "div" ).text( "The height for the " + element + " is " + height + "px." );
}
$( "#getp" ).click(function() {
  showHeight( "paragraph", $( "p" ).height() );
});
$( "#getd" ).click(function() {
  showHeight( "document", $( document ).height() );
});
$( "#getw" ).click(function() {
  showHeight( "window", $( window ).height() );
});
</script>
 
</body>
</html>

Демонстрация:

To set the height of each div on click to 30px plus a color change.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>height demo</title>
  <style>
  div {
    width: 50px;
    height: 70px;
    float: left;
    margin: 5px;
    background: rgb(255,140,0);
    cursor: pointer;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
 
<script>
$( "div" ).one( "click", function() {
  $( this ).height( 30 ).css({
    cursor: "auto",
    backgroundColor: "green"
  });
});
</script>
 
</body>
</html>

Демонстрация: