Примеры для jQuery .before()


Inserts some HTML before all paragraphs.

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>before demo</title>
<style>
p {
background: yellow;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<p> is what I said...</p>
<script>
$( "p" ).before( "<b>Hello</b>" );
</script>
</body>
</html>

Демонстрация:

Inserts a DOM element before all paragraphs.

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>before demo</title>
<style>
p {
background: yellow;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<p> is what I said...</p>
<script>
$( "p" ).before( document.createTextNode( "Hello" ) );
</script>
</body>
</html>

Демонстрация:

Inserts a jQuery object (similar to an Array of DOM Elements) before all paragraphs.

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>before demo</title>
<style>
p {
background: yellow;
}
</style>
<script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
<p> is what I said...</p><b>Hello</b>
<script>
$( "p" ).before( $( "b" ) );
</script>
</body>
</html>

Демонстрация: