The best way to check if an array is empty in JavaScript is by using the Array.isArray() method (ES5+) and array's length property together like so: // ES5+ if (!Array.isArray(array) || !array.length) { /
If the function returns a truthy value, the filter() method adds the element to the results array. The Object.keys() method returns an array containing the object's keys. index.js console.log(Object.keys({})); // 👉️ [] console.log(Object.keys({id: 1})); // 👉️ ['id...
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return false; i.e. the extra shadowRoot truthy check its been years but from what i understand, this condition is in case you're somehow in a shadow root which is no longer the shadow root (how you get to that state, i dont remember... if its even possible anymore). the check was...