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‎doc/api/core/operators/finally.md‎

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Invokes a specified action after the source observable sequence terminates gracefully or exceptionally. There is an alias called `finallyAction` for browsers <IE9
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#### Arguments
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1. `predicate` *(`Function`)*: A function to test each source element for a condition; The callback is called with the following information:
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1. the value of the element
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2. the index of the element
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3. the Observable object being subscribed
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2. `[thisArg]` *(`Any`)*: Object to use as `this` when executing the predicate.
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1. `action` *(`Function`)*: A function to invoke after the source observable sequence terminates.
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#### Returns
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*(`Observable`)*: An observable sequence that contains elements from the input sequence that satisfy the condition.
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*(`Observable`)*: The source sequence with the side-effecting behavior applied.
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#### Example
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```js

‎examples/konamicode/konamicode.html‎

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<title>Rx for JavaScript Rocks!</title>
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<link rel="stylesheet" href="http://ajax.aspnetcdn.com/ajax/bootstrap/2.3.1/css/bootstrap.min.css">
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<link rel="stylesheet" href="http://ajax.aspnetcdn.com/ajax/bootstrap/2.3.1/css/bootstrap-responsive.min.css">
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<style>
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kbd.keyboard-key {
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border: 1px solid #aaa;
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-moz-border-radius: 2px;
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-webkit-border-radius: 2px;
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border-radius: 2px;
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-moz-box-shadow: 1px 2px 2px #ddd;
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-webkit-box-shadow: 1px 2px 2px #ddd;
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box-shadow: 1px 2px 2px #ddd;
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background-color: #f9f9f9;
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background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee);
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background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee);
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background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee);
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background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee);
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background-image: linear-gradient(top, #eee, #f9f9f9, #eee);
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padding: 4px 10px;
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font-family: inherit;
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font-size: 1em;
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margin-left: 5px;
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}
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</style>
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</head>
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<body>
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<div class="container">
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</div>
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<div class="row-fluid">
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<h3>Enter the Konami Code</h3>
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<p><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">↑</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">↑</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">↓</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">↓</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">←</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">→</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">←</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">→</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">B</kbd><kbd class="keyboard-key nowrap" style="border: 1px solid #aaa; -moz-border-radius: 2px; -webkit-border-radius: 2px; border-radius: 2px; -moz-box-shadow: 1px 2px 2px #ddd; -webkit-box-shadow: 1px 2px 2px #ddd; box-shadow: 1px 2px 2px #ddd; background-color: #f9f9f9; background-image: -moz-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -ms-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -o-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: -webkit-linear-gradient(top, #eee, #f9f9f9, #eee); background-image: linear-gradient(top, #eee, #f9f9f9, #eee); padding: 1px 3px; font-family: inherit; font-size: 0.85em;">A</kbd></p>
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<p><kbd class="keyboard-key nowrap">↑</kbd><kbd class="keyboard-key nowrap">↑</kbd><kbd class="keyboard-key nowrap">↓</kbd><kbd class="keyboard-key nowrap">↓</kbd><kbd class="keyboard-key nowrap">←</kbd><kbd class="keyboard-key nowrap">→</kbd><kbd class="keyboard-key nowrap">←</kbd><kbd class="keyboard-key nowrap">→</kbd><kbd class="keyboard-key nowrap">B</kbd><kbd class="keyboard-key nowrap">A</kbd></p>
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</div>
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<div class="row-fluid">
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<h1 id="result"></h1>

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