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elementContains javascript Code Snippet in 2023

browserintermediate

Last Updated: 4 February 2023

Checks if the parent element contains the child element.

  • Check that parent is not the same element as child.
  • Use Node.contains() to check if the parent element contains the child element.
const elementContains = (parent, child) => parent !== child && parent.contains(child);
elementContains( document.querySelector('head'), document.querySelector('title') ); // true elementContains(document.querySelector('body'), document.querySelector('body')); // false

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