FEW 2.1 Study Guide

Strings

Be able to use JS strings. Can you:

Access any character of a string?
Split a string into separate strings?
Upper case or lower case a string?

Dates

Know what a date is and how to work with JS dates. Can you?

Create a date object?
Create a date object for any exact date and time?
Extract the components of a date like the day of the week or the month?
Get the diffrence between two dates?
Copy a date?

Callbacks

Use callbacks. Can you use a callback function? Could your write a function that uses a callback?

Promise, aysnc, await

Use asynchronous JavaScript with callbacks, promise, and async and await. Can you:

Use fetch to load data from an API?
Can you resolve a Promise?
Can you handle a promise that might fail?
Can you define an async function?
Can you use await in an async function?

Writing Unit tests

Be able to write unit test. Can you:

Write a unit test?
Run your unit tests?

JS Best Practices

use JS best practices like ESLint. Do you use ESLint every time you code?

Typescript

Use the typescript language. Can you write code in the Typescript language. Can you use the following:

Use tsc to compile your typescript code?
Define the types for primitive types like string and number?
Define types for objects?
Define an enum?
Define types for parameters and returns with functions?
Define the type of a function?
Define the types for class instances?