[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [isElementEqualOrContained](./x-components.iselementequalorcontained.md) ## isElementEqualOrContained() function Returns true if the two elements are the same, or if `b` is a child of `a`. **Signature:** ```typescript export declare function isElementEqualOrContained(a: Element, b: Element): boolean; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | a | Element | The element to check if it is equal to b or if it contains b. | | b | Element | The element to check if it is equal to a or contained inside it. | **Returns:** boolean True if `a` is equal to `b` or if it contains `b`.