Mongoose's `create()` function is a convenience wrapper around `save()`. Here's what you need to know.

Mongoose lets you define schema paths as `unique`, but the `unique` option has a few important caveats. Here's what you need to know.

You don't have to use bundlers to compile Vue, you can easily load Vue from a CDN. Here's what you need to know.

Vue's v-on:click lets you attach click handlers to DOM elements. Here's what you need to know.

Watchers and computed properties are two ways to update one value when another value changes. Here's how they are different.

There are numerous ways to iterate through an array in JavaScript. Here's what you need to know.

The `filter()` method creates a new array of elements that match a given test. Here's what you need to know.

Iterators and iterables define sequences of values in JavaScript. Here's what you need to know.

Now that Node.js has native support for ESM imports, should you use `require()` or `import`? Here's what you need to know.

Node has limited support for ES6 import statements. Here's how you can make JavaScript that uses `import` work in Node.

Node's built-in HTTP library lets you make HTTP requests, but is hard to work with. Here's what you need to know.

Symbols are a way to create hidden properties on JavaScript objects. Here's what you need to know.

Here's how you can parse the query string parameters in vanilla JavaScript.

Here's how you can capitalize the first letter of a JavaScript string without any external libraries.

Axios automatically serializes JavaScript objects into JSON, but you can also send a manually serialized JSON string. Here's what you need to know.

Axios requests are JavaScript promises, so you can use the `.catch()` function to handle errors. Here's what you need to know.

Axios interceptors let you transform requests and responses. You can think of interceptors as Axios' equivalent to middleware in Express or Mongoose. Here's what you need to know.

MongoDB does not have a LIKE operator akin to SQL, but MongoDB does support queries by regular expressions. Here's how you can use regexp queries to simulate SQL's LIKE operator in Mongoose.

Mongoose queries have an `explain()` helper that let you inspect what indexes a query used. Here's how you can use `explain()` to figure out how a query performed.

Mongoose's `save()` function persists the changes you made to a document to the database. Here's what you need to know.