Learn MORE JavaScript on the ServiceNow Platform

[Earl Duque]

Were you one of the million views on Chuck Tomasi's original JavaScript series from 2019? I'm taking up the mantle to bring you even more lessons on learning JavaScript on the ServiceNow Platform!

What? 

Learn JavaScript on the ServiceNow Platform Playlist 

A series of free video tutorials that can be your starting point to learning how to script inside ServiceNow.

What's new?

Starting today and over the next few weeks we will finally be expanding the series to include more lessons about the basics of JavaScript, lessons about ServiceNow specific Glide methods of JavaScript, and all the new functionality we gained in the Tokyo release.

Script library

You can follow along at home and practice while you watch! Every script, lab, and exercise can be found here: https://github.com/earlduque/sn-learn-javascript

Episode list

Check out the entire episode list:

Section 1 - Learn JavaScript on the Now Platform with Chuck Tomasi

1. Overview
2. Lesson 2 - Statements and syntax
3. Lesson 1 - Getting Started
4. Lesson 3 - Variables
5. Lesson 4 - Simple Arithmetic Operators
6. Lesson 5 - Common Error Messages
7. Lab 2 Answer - Arithmetic
8. Lesson 6 - Introduction to strings
9. Lesson 7 - Special string characters
10. Lesson 8 - Data type conversions
11. Lab 3 Answer - Strings
12. Lesson 9 - Commenting
13. Lesson 10 - Comparisons
14. Lesson 11 -The If statement and Boolean logic
15. Lesson 12 - The Ternary operator
16. Lesson 13 - The switch statement
17. Lesson 14 - Truthy/falsy
18. Lab 4 - Logic flow
19. Lab 4 Answer - Logic flow
20. Lesson 15 - The while loop
21. Lesson 16 - The for loop
22. Lesson 17 - The do-while loop
23. Lesson 18 - Nested loops
24. Lab 5 - Loops
25. Lab 5 Answer - Loops
26. Lesson 19 - Functions
27. Lesson 20 - try/catch/finally statements
28. Lesson 21 - ServiceNow GlideRecord
29. Lesson 22 - Introduction to arrays
30. Lesson 23 - Array forEach
31. Lesson 24 - Common array methods
32. Lesson 25 - ServiceNow ArrayUtil
33. Lab 6a - Functions and arrays
34. Lab 6a Answer - Functions and arrays
35. Lab 6b - Functions with multiple parameters
36. Lab 6b Answer - Functions with multiple parameters
37. Lesson 26 - Introduction to objects
38. Lesson 27 - Checking if an object has a property
39. Lesson 28 - Finding all properties in an object
40. Lesson 29 - Arrays of Objects
41. Lesson 30 - JSON Stringify and Parse
42. Lab 7 - Arrays of Objects
43. Lab 7 Answer - Arrays of Objects
44. Lesson 31 - More string methods
45. Lesson 32 - Recursion
46. Lesson 33 - Classes
47. Lesson 34 - Passing objects to functions
48. Lesson 35 - Class Inheritence
49. Lesson 36 - Scripted REST APIs
50. Lab 8a - Build a scripted REST API
51. Lab 8a Answer - Build a scripted REST API
52. Lab 8b Answer - Build a script include
53. Lab 8b - Build a script include
54. Helpful resources

Section 2 - Learn MORE JavaScript on the ServiceNow Platform with Earl Duque

1. Overview
2. Section 2 Introduction
3. Lesson 1 - The for...in loop
4. Lesson 1 Exercise - The for...in loop
5. Lesson 2 - Understanding "this"
6. Lesson 2 Exercise - Understanding "this"
7. Lesson 3 - More on scope
8. Lesson 4 - Hoisting
9. Lesson 4 Exercise - Hoisting
10. Lesson 5 - Date and Time
11. Lesson 5 Exercise - Date and Time
12. Lesson 6 - Regular Expressions (RegEx)
13. Lesson 6 Exercise - Regular Expressions (RegEx)
14. Lesson 7 - The practice of Namespacing
15. Lesson 7 Exercise - The practice of NameSpacing
16. Lesson 8 - GlideSystem (more than just gs.info!)
17. Lesson 9 - GlideAggregate
18. Lesson 9 Exercise - GlideAggregate
19. Lesson 10 - GlideDateTime
20. Lesson 11 - GlideUser
21. Lesson 12 - GlideAjax
22. Lesson 13 - GlideForm (g_form)
23. Lesson 13 Exercise - GlideForm (g_form)
24. Lesson 14 - GlideQuery
25. Lesson 14 Exercise - GlideQuery
26. Conclusion and looking forward

Section 3 - Learn ECMAScript 2021 on the ServiceNow Platform with Earl Duque

1. Overview
2. Variables and Scoping - Let & Const
3. Variables and Scoping – The Temporal Dead Zone
4. New syntax – Exponents
5. New syntax – Nullish Coalescing Operator
6. New syntax – Numeric Separators
7. New syntax – Logical Assignment Operators ||= and &&==
8. Strings - Template literals
9. Strings – String padding
10. Strings – New string methods like startsWith(), endsWith(), trimStart(), and trimEnd()
11. Strings – Even more string methods like matchAll() and includes()
12. Functions - Arrow functions
13. Functions – Default Parameters
14. Functions – Rest and Spread Operators
15. Functions – the Name property
16. Functions – Trailing commas in function syntax
17. Objects – Object Literal Enhancements
18. Objects – More on Classes
19. Objects – Symbols
20. Objects – Optional chaining
21. Objects – New methods like Object.entries(), Object.values(), Object.fromEntries(), and Object.getOwnPropertyDescriptors()
22. Arrays – The for..of Loop
23. Arrays – Maps and Sets
24. Arrays – More utility functions like .from() and .of()
25. Arrays – New methods like flatMap() and flat()
26. Helpful Resources