JavaScript for Automation Testers

Where the whole programme is going, and how to follow it session by session.

1. Introduction to the programme and the learning path1:30:55

1. What is JavaScript · Node.js and VS Code installation · V8 engine and browser engines1:46:10
2. var, let and const · Hoisting · Primitive data types and their ranges1:55:00
3. Template literals and backticks · Math operators · Concatenation1:59:07
4. Loose vs strict equality · Infinity and NaN · Increment and decrement operators1:44:26
5. Conditionals: if / else if / switch-case · Real use cases · Debugging in VS Code2:10:49
6. Loops: while, for and do-while · Truthy and falsy values1:48:23

1. Arrays and array methods: pop, push, shift, unshift, splice, indexOf2:05:20
2. Two-dimensional arrays · Reversing arrays · Objects and references2:01:19
3. Object iteration with for…in · JSON.stringify and JSON.parse · null, references and the garbage collector1:42:24

1. Functions · Heap and stack memory allocation1:47:59
2. Duplicate functions · Default parameters · Function expressions · Objects with functions and the this keyword1:45:05
3. Null handling · Rest parameters · IIFE · Anonymous functions · Arrow functions1:42:19
4. Callback functions1:32:48
5. Array functions map, filter and reduce with callbacks · Call by reference1:26:31
6. Callback hell · String manipulation methods1:58:41

The part every flaky Playwright test comes back to. Do not skip it.

1. Callbacks with animation · Promises: resolve, reject, then, catch, finally1:39:55
2. Promise.all, race, any and allSettled · async / await2:03:04
3. Array and object destructuring · export / import · Default exports1:23:08
4. Classes and objects · Inheritance · Encapsulation · private and static members1:49:10