arianulislam/js-exercises

JS Exercises

Task 1:

Add JS to HTML

• Directly in HTML
• External script

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Task 2:

Write a function that returns the sum of a given array.

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Task 3:

Write a function that checks if a given string is a valid e-mail address.

HINT: /^\w+([.-]?\w+)@\w+([.-]?\w+)(.\w{2,3})+$/

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Task 4:

Given the following array of objects, write a function that prints the status at a given index:

var library = [
   {
       author: 'Bill Gates',
       title: 'The Road Ahead',
       readingStatus: true
   },
   {
       author: 'Steve Jobs',
       title: 'Walter Isaacson',
       readingStatus: true
   },
   {
       author: 'Suzanne Collins',
       title:  'Mockingjay: The Final Book of The Hunger Games', 
       readingStatus: false
   }];

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Task 5:

Find the total cost of the items in the given cart:

var cart = [ 
   {
       name: 'Shoes',
       price: 560,
       quantity: 4
   },
   {
       name: 'Regular Tees',
       price: 455.50,
       quantity: 6
   },
   {
       name: 'Socks',
       price: 65.99,
       quantity: 2
   }];

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