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Saturday, January 21, 2023

#37 How to use JS return | JavaScript Full Tutorial


 

Let's learn all about the function return keyword, what is it used for? In this lesson we continue our JS tutorial by looking at the function return keyword and it's use. 0:00 - Intro 0:25 - What is the return keyword? 2:19 - Using multiple returns 4:20 - Lesson Summary 5:07 - Lesson Tasks 8:03 - Outro and what's up next

#36 What are Parameters and Arguments? | JavaScript Full Tutorial


 

In this lesson we're going to learn all about Function Parameters and Arguments, Function parameters and arguments make our functions dynamic, in this lesson we learn all about how to use them, we also take a look at the arguments keyword. 0:00 - Intro 0:29 - What are Parameters and Arguments? 3:29 - Using multiple Parameters 6:23 - Using multiple Arguments 6:56 - The arguments keyword 9:00 - Using Default Parameters 11:42 - Lesson summary 12:40 - Lesson Tasks 15:19 - Outro and up next

#35 JS Function Expressions | JavaScript Full Tutorial


 

In this lesson we're going to learn about Function Expressions, Function expressions are syntactically similar to function declarations, except we can omit the function name. There are also some key differences between function declarations and expressions, which we'll discuss in this lesson. 0:00 - Intro 0:30 - What are Function Expressions? 1:17 - Writing a Function Expression 2:45 - Naming a Function Expression 4:17 - Reassigning a Function Expression 5:02 - When can Functions be invoked? 6:39 - Lesson Summary 7:02 - Tasks 8:30 - Outro

#34 What are JS Functions? | JavaScript Full Tutorial

 


In this introductory lesson to JavaScript functions, we look at what functions are and what they're used for. We also look at the four different ways that functions can be created, starting with function declarations in this lesson. Functions are an integral part to mastering JavaScript and we start that journey here. 0:00 - Intro | Like and Sub! 0:45 - Objects and Functions 1:21 - What are Functions? 1:59 - 4 Ways to create Function 3:02 - Writing a Function 4:17 - Invoking a Function 6:30 - Local variables 7:29 - Global variables 8:29 - Anonymous Functions and the DOM 10:48 - Lesson Summary 11:51 - Tasks 13:16 - Outro | Like and Sub!

#33 Maps and Weak Maps | JavaScript Full Tutorial


 

In this lesson we're going to be learning all about Maps and Weak Maps. Maps are basically a collection of key data items, similar to an Object. The main difference between a Map and an object is that a Map allows keys of any type. In this lesson we learn about how to create and use Maps.

#32 Sets and Weak Sets | JavaScript Full Tutorial


 

In this lesson we're going to be learning all about Sets and Weak Sets. Sets are similar to Arrays except you can't have any duplicates. In this lesson we look at how to create and use them. 0:00 - Intro 0:35 - What is a Set? 1:32 - Creating a Set 1:42 - Adding values to a Set 3:10 - Deleting values in a Set 3:34 - Checking values in a Set 4:08 - Get number of values in a Set 4:21 - Clear all values in a Set 4:45 - Adding an Array to a Set 5:23 - What is a Weak Set? 5:48 - Creating a Weak Set 7:28 - Lesson Summary 7:57 - Lesson Tasks 9:35 - Coming up next/Outro

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