What is a Blob object in JavaScript?
A Blob object is used for accessing, encoding and transferring files and file-like objects.
A Blob object is used for accessing, encoding and transferring files and file-like objects.
You can use the FileReader API to create a data URL and pass this through localStorage.
A query string is used to store string data as part of a URL.
The native FileReader API can be used to read a PDF and create a URL to its contents.
localStorage and sessionStorage objects allow you to store data from to user's browser.
The map() and forEach() methods both iterate through arrays, but are not interchangeable.
A JavaScript closure is a function that has its own protected, 'private' variables.
Learn how to better organise code using reusable JavaScript modules.
Create a new array including only certain elements from an existing array using filter()
Reduce the values of an array to a single number with reduce()