Примеры для jQuery deferred.done()

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Since the jQuery.get method returns a jqXHR object, which is derived from a Deferred object, we can attach a success callback using the .done() method.

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$.get( "test.php" ).done(function() {
  alert( "$.get succeeded" );
});

Resolve a Deferred object when the user clicks a button, triggering a number of callback functions:

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>deferred.done demo</title>
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script>
</head>
<body>
 
<button>Go</button>
<p>Ready...</p>
 
<script>
// 3 functions to call when the Deferred object is resolved
function fn1() {
  $( "p" ).append( " 1 " );
}
function fn2() {
  $( "p" ).append( " 2 " );
}
function fn3( n ) {
  $( "p" ).append( n + " 3 " + n );
}
 
// Create a deferred object
var dfd = $.Deferred();
 
// Add handlers to be called when dfd is resolved
dfd
// .done() can take any number of functions or arrays of functions
  .done( [ fn1, fn2 ], fn3, [ fn2, fn1 ] )
// We can chain done methods, too
  .done(function( n ) {
    $( "p" ).append( n + " we're done." );
  });
 
// Resolve the Deferred object when the button is clicked
$( "button" ).on( "click", function() {
  dfd.resolve( "and" );
});
</script>
 
</body>
</html>

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