code: function( data ) {
  
  				// For mutual compressibility with _default, replace `this` access with a local var.
  				// `|| data` is dead code meant only to preserve the variable through minification.
  				var el = this || data;
  
  				// Claim the first handler
  				if ( rcheckableType.test( el.type ) &&
  					el.click && nodeName( el, "input" ) ) {
  
  					// dataPriv.set( el, "click", ... )
  					leverageNative( el, "click", returnTrue );
  				}
  
  				// Return false to allow normal processing in the caller
  				return false;
  			}
docs: Utilize native event to ensure correct state for checkable inputs