ericclemmons / ericclemmons/unique-selector
If tested element doesn't have a parent, script fails with error
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- Dominant language
- JavaScript
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Description
### Error:
### Function where needs to be done parent null check
/**
* Tests uniqueNess of the element inside its parent
* @param { Object } element
* @param { String } Selectors
* @return { Boolean }
*/
function testUniqueness( element, selector )
{
const { parentNode } = element;
const elements = **parentNode**.querySelectorAll( selector );
return elements.length === 1 && elements[ 0 ] === element;
}
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