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Highlights from the 2024 Rails Community Survey
A record 2,709 developers participated in the 2024 Ruby on Rails Community Survey, revealing key tools, practices, and trends shaping the Rails ecosystem.
find-parent
Advanced tools
A utility for finding the nearest parent that matches a test function
Find-parent is a utility to help find the closest element up an element's parent tree (possibly including itself) that matches certain rules.
$ npm install find-parent --save-dev
The examples below will use this as an example DOM structure.
<div class="foo">
<span id="test" data-test-node="test">
<a href="http://google.com">link text</a>
</span>
</div>
var findParent = require('find-parent');
var element = document.getElementsByTagName('a')[0];
var result = findParent.byMatcher(element, function(node) {
return node.className === 'foo';
});
// result is === to the element <div class="foo">
var findParent = require('find-parent');
var element = document.getElementsByTagName('a')[0];
var result = findParent.byClassName(element, 'foo');
// result is === to the element <div class="foo">
var findParent = require('find-parent');
var element = document.getElementsByTagName('a')[0];
var result = findParent.withDataAttribute(element, 'testNode');
// result is === to the element <span id="test" data-test-node="test">
All findParent functions take an optional options
argument.
key | value type | default | description |
---|---|---|---|
throwOnMiss | boolean | false | Throw error if no matching parent is found |
FAQs
A utility for finding the nearest parent that matches a test function
The npm package find-parent receives a total of 892 weekly downloads. As such, find-parent popularity was classified as not popular.
We found that find-parent demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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