apex4x/Help/$A API/DC Objects/HasDC.txt

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Function: hasDC(stringIdOrObject, boolIncludeFromBound)



Description: Checks if a string or object has a bound registered DC object.



Returns: Boolean: true if found, false otherwise.



Note: When only the first parameter is populated, hasDC() will only return true if the specified object is set as the id of a registered DC object. When boolIncludeFromBound is true, hasDC() will also return true if bound to the specified object.



Example:



// Check if a string is set as the DC.id of a registered DC object

var hasBoundDC = $A.hasDC("UniqueStringID");



// Check if a DOM element is set as the DC.id of a registered DC object

var hasBoundDC = $A.hasDC(domElement);



// Check if a triggering element has a bound DC object.

var hasBoundDC = $A.hasDC(domElement, true);



// Or



var hasBoundDC = $A(domElement).hasDC(true);