Fork of Cars Report

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Fork of Cars Report

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Last edited Jan 13, 2021

Created on Jan 13, 2021

This example demonstrates a simple asynchronous data-reporting workflow, loading a static JSON array of five used cars and generating a filtered list of those priced under $2,000. The code uses `Promise`-based `getCars()` with a simulated 2-second delay, then renders the final text into an HTML `<pre>` element via `document.getElementById`. It highlights modular JavaScript with ES modules, including `export`/`import` syntax and array methods like `filter` and `map`, showing how to structure reusable functions (`formatCar`, `generateReport`) for text-based output.

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An example tutorial of how to use JavaScript objects, arrays, and modules.

MIT Licensed

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Fork of Cars Report

This example demonstrates a simple data-reporting workflow that fetches a hard-coded JSON array of car listings and filters them by price. It shows how modular JavaScript functions, including `formatCar` and `generateReport`, process the data to display a text report of vehicles under $2,000 in a large `<pre>` element. The code uses the native `Promise` API with a simulated two-second delay in `getCars`, and relies on `JSON.parse` for data parsing. The page initially shows “Loading...” before the report appears, illustrating asynchronous data handling with plain ES modules.

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This example demonstrates a small asynchronous report generator that filters a hardcoded list of used cars by price and formats the results into a text display. It uses JavaScript Promises to simulate a two-second data fetch via `getCars`, then applies array methods like `filter` and `map`, and a custom `formatCar` function to produce a readable list. The page updates a `<pre>` element’s text content, initially showing “Loading…” until the data resolves. The code relies on ES modules (`import`/`export`) and JSON parsing to structure the data flow.

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This example shows a text-based car report that filters a static JSON dataset of five used cars to display only those priced under $2,000. The interface initially shows a loading message before a two-second delay simulates an asynchronous fetch using `getCars()`, which returns a promise. The `generateReport` function uses JavaScript’s `filter` and `map` methods to format each qualifying car into a single line using the `formatCar` module. Output is rendered directly into an HTML `<pre>` element via `document.getElementById`.

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This example demonstrates a text-based report that lists used cars under a $2,000 price threshold. It fetches car data asynchronously via a Promise in `getCars` and formats entries with the `formatCar` function. The `generateReport` module filters and maps the data, and the result is displayed in a `<pre>` element by updating its `textContent`. The code uses ES module imports and exports, `setTimeout` for a simulated delay, and `JSON.parse` to parse inline car data.

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