Please review following topics and if you have no idea about it, please search and/or contact us about it. It's OK if you only have a vague idea, we will try to explain unclear concepts when we use them in future lessons.
Basic topics:
- if .. else, switch .. case
- for .. in, for .. of, forEach
- array map
[1,2] => [2,4], filter[1,2] => [2] - reduce array to number
[1,2] => 3, reduce an object{a: 1, b: 2} => {a: 2, b: 4} - Promise
- ES6 arrow functions, ...
- HTML, CSS, DOM
- JSON
- synchronous vs asynchronous
- callbacks
Bonus topics for rainy weekends:
- event loop
- Web APIs
- Object.prototype.myCoolMethod good or evil?
- RegExp
/abc(\d+)/ - camelCase123, Constructor, IMMUTABLE_CONSTANT, stream$, _privateButNotReally
- curry
(a) => (b) => a + b - semicolon insertion;
- // comments
- eslint
- why not use
withandeval - ...