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what is the use of $A.getCallback() in Salesforce lightning component ?
what is the use of $A.getCallback() in salesforce lightning component ?
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2 Replies
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Use $A.getCallback() to wrap any code that modifies a component outside the normal rerendering lifecycle, such as in a setTimeout() call. The $A.getCallback() call ensures that the framework rerenders the modified component and processes any enqueued actions.
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Hi Nikita,
$A.getCallback(), it returns a function that closures the current access context. You then need to execute that function.
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