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The docs for $.Callbacks().has indicate that an argument is required #453

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The docs for $.Callbacks().has indicate that an argument is required #453

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4 changes: 2 additions & 2 deletions entries/callbacks.has.xml
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<title>callbacks.has()</title>
<signature>
<added>1.7</added>
<argument name="callback" type="Function">
<argument name="callback" type="Function" optional="true">
<desc>The callback to search for.</desc>
</argument>
</signature>
<desc>Determine whether a supplied callback is in a list</desc>
<desc>Determine whether or not the list has any callbacks attached. If a callback is provided as an argument, determine whether it is in a list</desc>
<longdesc/>
<example>
<desc>Use <code>callbacks.has()</code> to check if a callback list contains a specific callback:</desc>
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