Q941. How do you return all matching strings against a regular expression?
The `matchAll()` method can be used to return an iterator of all results matching a string against a regular expression. For example, the below example returns an array o...
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Q942. What is the difference between Link, NavLink, and `<a>`?
All three render an anchor tag in the DOM, but they behave very differently when clicked: | Aspect | `` | `` | `` | | --- | --- | --- | --- | | Navigation | Full page rel...
Q943. How do you trim a string at the beginning or ending?
The `trim` method of string prototype is used to trim on both sides of a string. But if you want to trim especially at the beginning or ending of the string then you can ...
Q944. How do you implement protected/private routes?
A protected (or private) route only renders its content when the user meets some condition (usually "is authenticated"), otherwise it redirects them elsewhere (e.g., to `...
Q945. What is the output of below console statement with unary operator?
Let's take console statement with unary operator as given below, ```javascript console.log(+"Hello"); // NaN ``` The output of the above console log statement returns NaN...
Q946. How do you handle 404 / Not Found routes?
React Router matches routes top-to-bottom/most-specific-first, so a catch-all route with `path="*"` placed last will match any URL that didn't match an earlier route — th...
Q947. Does javascript uses mixins?
JavaScript does not have built-in support for mixins as a formal language feature. However, developers commonly implement mixins using various patterns to enable code reu...
Q948. What are loaders, actions, and data APIs in modern React Router?
Starting with React Router v6.4, the library ships **data APIs** (`createBrowserRouter`, `loader`, `action`, `useLoaderData`, `useActionData`, `useFetcher`) that move dat...
Q949. Mixin Example using Object composition
```javascript // Define a mixin const canEat = { eat() { console.log("Eating..."); } }; const canWalk = { walk() { console.log("Walking..."); } }; const canRead = { read(...
Q950. How do query parameters work?
Query (search) parameters are the `?key=value&key2=value2` portion of a URL. Unlike route params (see [What are dynamic routes and what are route parameters?](#what-are-d...