Примеры для jQuery .focus()

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Fire focus.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>focus demo</title>
  <style>
  span {
    display: none;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<p><input type="text"> <span>focus fire</span></p>
<p><input type="password"> <span>focus fire</span></p>
 
<script>
$( "input" ).focus(function() {
  $( this ).next( "span" ).css( "display", "inline" ).fadeOut( 1000 );
});
</script>
 
</body>
</html>

Демонстрация:

To stop people from writing in text input boxes, try:

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$( "input[type=text]" ).focus(function() {
  $( this ).blur();
});

To focus on a login input box with id 'login' on page startup, try:

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$( document ).ready(function() {
  $( "#login" ).focus();
});