Примеры для jQuery .bind()

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Handle click and double-click for the paragraph. Note: the coordinates are window relative, so in this case relative to the demo iframe.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>bind demo</title>
  <style>
  p {
    background: yellow;
    font-weight: bold;
    cursor: pointer;
    padding: 5px;
  }
  p.over {
     background: #ccc;
  }
  span {
    color: red;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<p>Click or double click here.</p>
<span></span>
 
<script>
$( "p" ).bind( "click", function( event ) {
  var str = "( " + event.pageX + ", " + event.pageY + " )";
  $( "span" ).text( "Click happened! " + str );
});
$( "p" ).bind( "dblclick", function() {
  $( "span" ).text( "Double-click happened in " + this.nodeName );
});
$( "p" ).bind( "mouseenter mouseleave", function( event ) {
  $( this ).toggleClass( "over" );
});
</script>
 
</body>
</html>

Демонстрация:

To display each paragraph's text in an alert box whenever it is clicked:

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$( "p" ).bind( "click", function() {
  alert( $( this ).text() );
});

You can pass some extra data before the event handler:

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function handler( event ) {
  alert( event.data.foo );
}
$( "p" ).bind( "click", {
  foo: "bar"
}, handler );

Cancel a default action and prevent it from bubbling up by returning false:

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$( "form" ).bind( "submit", function() {
  return false;
})

Cancel only the default action by using the .preventDefault() method.

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$( "form" ).bind( "submit", function( event ) {
  event.preventDefault();
});

Stop an event from bubbling without preventing the default action by using the .stopPropagation() method.

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$( "form" ).bind( "submit", function( event ) {
  event.stopPropagation();
});

Bind custom events.

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>bind demo</title>
  <style>
  p {
    color: red;
  }
  span {
    color: blue;
  }
  </style>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<p>Has an attached custom event.</p>
<button>Trigger custom event</button>
<span style="display: none;"></span>
 
<script>
$( "p" ).bind( "myCustomEvent", function( e, myName, myValue ) {
  $( this ).text( myName + ", hi there!" );
  $( "span" )
    .stop()
    .css( "opacity", 1 )
    .text( "myName = " + myName )
    .fadeIn( 30 )
    .fadeOut( 1000 );
  });
$( "button" ).click(function() {
  $( "p" ).trigger( "myCustomEvent", [ "John" ] );
});
</script>
 
</body>
</html>

Демонстрация:

Bind multiple events simultaneously.

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$( "div.test" ).bind({
  click: function() {
    $( this ).addClass( "active" );
  },
  mouseenter: function() {
    $( this ).addClass( "inside" );
  },
  mouseleave: function() {
    $( this ).removeClass( "inside" );
  }
});