JavaScript Handy Tips & Tricks

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JavaScript (and webdev in general) is surprisingly broad, there's ALWAYS something to learn. There are so many handy tips & tricks in the language and learning even a couple of those will make you a better JS developer.

Instructor

Tomasz Łakomy

Frontend Engineer at Stedi, building Cloudash. His interests include React, AWS, testing, Svelte, VR, app performance and... jQuery, which he still thinks is the best library ever.

Learn about Tomasz's story with egghead.

Course content (11 lessons)

1
Add default values to variables destructured from a JavaScript object
1m 40s
2
Refactor es5 functions to es6 arrow functions
1m 37s
3
Remove unwanted properties from a JavaScript with ES6 spread operator
51s
4
Use ES2019 Array.prototype.flat to Flatten Multidimensional Arrays
1m 17s
5
Conditionally spread entries to a JavaScript object
1m 39s
6
Use ES6 Sets to Improve Javascript Performance
3m 34s
7
Freeze a JavaScript object with an Object.freeze method
1m 43s
8
Prevent adding/deleting properties in a JavaScript object with Object.seal() method
1m 34s
9
Style console.log messages with CSS
1m 20s
10
Use Chrome DevTools console utilities to make debugging easier
1m 36s
11
Map and Flatten Multidimensional Arrays with ES2019 Array.prototype.flatMap
2m 24s

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Instructor

Tomasz Łakomy

Frontend Engineer at Stedi, building Cloudash. His interests include React, AWS, testing, Svelte, VR, app performance and... jQuery, which he still thinks is the best library ever.

Learn about Tomasz's story with egghead.