ES6

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The Array filter method

Destructuring Assignment in ES6

Promises with ES6

Using the ES6 spread operator

Shorthand Properties in ES6

The Array map method

Chaining the Array map and filter methods

js tutorial about The Array filter method

The Array filter method

4:42 js

One very common operation in programming is to iterate through an Array's contents, apply a test function to each item, and create a new array containing only those items the passed the test. For example, let's say you wanted to loop through an array of stocks and select only those with the price larger than a certain value. In this lesson we will demonstrate how to use the Array's filter method to easily perform this operation with less code than a loop would require.

js tutorial about Destructuring Assignment in ES6

Destructuring Assignment in ES6

4:33 js

ECMAscript 6 destructuring provides flexible options for variable assignment.

js tutorial about Promises with ES6

Promises with ES6

5:51 js

Promises in JavaScript (es6/es2015). Creating and using promises with ECMAscript 2015 in your JavaScript application.

js tutorial about Using the ES6 spread operator

Using the ES6 spread operator

1:40 js

The spread operator allows you to "explode" an array into its individual elements.

js tutorial about Shorthand Properties in ES6

Shorthand Properties in ES6

1:01 js

Shorthand properties allow you to compose complex objects from other objects.

js tutorial about The Array map method

The Array map method

3:02 js

One very common operation in programming is to iterate through an Array's contents, apply a function to each item, and create a new array containing the results. For example, let's say you wanted to loop through an array of stock objects and select only the name for display on screen. In this lesson we will demonstrate how to use the Array's map method to easily perform this operation with less code than a loop would require.

js tutorial about Chaining the Array map and filter methods

Chaining the Array map and filter methods

3:05 js

Both map and filter do not modify the array. Instead they return a new array of the results. Because both map and filter return Arrays, we can chain these functions together to build complex array transformations with very little code. Finally we can consume the newly created array using forEach. In this lesson, we will learn how to build nontrivial programs without using any loops at all.

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