1c8e535a41
triggerEvent - trigger an event on an element, insertAfter & insertBefore - parse and insert HTML after or before an element respectively, elementContains - checks if an element contains another element
547 B
547 B
elementContains
Returns true if the parent element contains the child element, false otherwise.
Check that parent is not the same element as child, use parent.contains(child) 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